HEASARC CALDB - WHAT'S NEW2024 March 12The Swift SC caldb has been updated to version 20240308, and the Swift BAT caldb has been updated to version 20230607. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2024 March 11The NuSTAR FPM caldb has been updated to version 20240311. This release includes a new clock correction file, v178. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2024 February 29The NuSTAR FPM caldb has been updated to version 20240229. This release includes new gain and arf files and a new clock correction file, v177. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2024 February 28The IXPE caldb has been updated for the XRT (version 20231201) and the GPD (version 20240125). Downloads are available from the IXPE Calibration page. Users can also access the IXPE Caldb at the HEASARC remotely without having to download the calibration data locally.2024 February 27The NICER XTI caldb has been updated to version 20240206. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2024 February 8The DR1 version of the eROSITA CALDB has been installed at the HEASARC, and the HEASARC caldb.config file has been updated to include the eROSITA CALDB data.2024 February 8The Swift caldb has been updated (update version 20240201) to update the UVOTA caldb. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2024 January 30The NuSTAR FPM caldb has been updated to version 20240130. This release includes a new clock correction file, v176. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2024 January 18The NuSTAR FPM caldb has been updated to version 20240118. This release includes a new clock correction file, v175. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2024 January 18The Swift SC caldb has been updated (update version 20240118) to update the clock correction file to v158. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2024 January 4The NuSTAR FPM caldb has been updated to version 20240104. This release includes a new clock correction file, v174. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 December 19The NuSTAR FPM caldb has been updated to version 20231218. This release includes a new clock correction file, v173. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 December 15The Chandra CALDB version 4.11.0 (released by the CXC on December 12, 2023) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2023 December 8The Swift caldb has been updated (update version 20231208) to update the UVOTA caldb. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2023 December 05The NuSTAR FPM caldb has been updated to version 20231205. This release includes a new clock correction file, v172. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 November 22The NuSTAR FPM caldb has been updated to version 20231121. This release includes a new clock correction file, v171. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 November 16The Swift SC caldb has been updated (update version 20231115) to update the clock correction file to version 157. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2023 October 17The NuSTAR FPM caldb has been updated to version 20231017. This release includes a new clock correction file, v170. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 October 4The NuSTAR FPM caldb has been updated to version 20231003. This release includes a new clock correction file, v169. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 Sep 29The RXTE PCA sysematic error file pca_resp_syserr.fits has been added to the PCA CALDB (update version 20220501). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or via remote access.2023 September 18The NuSTAR FPM caldb has been updated to version 20230918. This release includes a new clock correction file, v168. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 September 18The Swift SC caldb has been updated (update version 20230918) to update the clock correction file to version 156. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2023 September 9The NuSTAR FPM caldb has been updated to version 20230906. This release includes a new clock correction file, v167. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 August 3The NuSTAR FPM caldb has been updated to version 20230816. This release includes a new clock correction file, v166. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 August 3The NuSTAR FPM caldb has been updated to version 20230802. This release includes a new clock correction file, v165. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 July 25The Swift XRT caldb has been updated (update version 20230725) to update the XRT gains. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2023 July 24The Swift SC caldb has been updated (update version 20230721) to update the clock correction file to version 155. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2023 July 18The NuSTAR FPM caldb has been updated to version 20230718. This release includes a new clock correction file, v164. See the release notes. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 July 13The CALET caldb has been updated for the CGBM instrument (version 20230630) aDownloads are available from the Supported Missions page. Users can also access the CALET CGBM Caldb at the HEASARC remotely without having to download the calibration data locally.2023 July 5The NuSTAR FPM caldb has been updated to version 20230705. This release includes a new clock correction file, v163. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 June 16The IXPE caldb has been updated for the XRT (version 20230526) and the GPD (version 20230526). Downloads are available from the IXPE Calibration page. Users can also access the IXPE Caldb at the HEASARC remotely without having to download the calibration data locally.2023 June 14The NuSTAR FPM caldb has been updated to version 20230613. This release includes a new clock correction file, v162. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 May 31The NuSTAR FPM caldb has been updated to version 20230530. This release includes a new clock correction file, v161. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 May 17The Swift SC caldb has been updated (update version 20230517 to update the clock correction file to version 154. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2023 May 16The NuSTAR FPM caldb has been updated to version 20230516. This release includes a new clock correction file, v160. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 May 4The NuSTAR FPM caldb has been updated to version 20230504. This release includes a new clock correction file, v159. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 April 28The Halosat SDD caldb has been updated to version s20230324. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 April 20The NuSTAR FPM caldb has been updated to version 20230420. This release includes a new clock correction file, v158. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 April 5The Chandra CALDB version 4.10.4 (released by the CXC on March 22, 2023) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2023 April 5The NuSTAR FPM caldb has been updated to version 20230404. This release includes a new clock correction file, v157. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 March 22The NuSTAR FPM caldb has been updated to version 20230321. This release includes a new clock correction file, v156. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 March 21The Swift SC caldb has been updated (update version 20230321 to update the clock correction file to version 153. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2023 March 7The NuSTAR FPM caldb has been updated to version 20230307. This release includes a new clock correction file, v155. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 February 27The NuSTAR FPM caldb has been updated to version 20230223. This release includes a new clock correction file, v154. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 February 8The NuSTAR FPM caldb has been updated to version 20230208. This release includes a new clock correction file, v153. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 January 24The NuSTAR FPM caldb has been updated to version 20230124. This release includes a new clock correction file, v152. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2023 January 14The Swift SC caldb has been updated (update version 20230109) to update the clock correction file to version 152. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 December 29The NuSTAR FPM caldb has been updated to version 20221229. This release includes a new clock correction file, v151. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 November 30The NuSTAR FPM caldb has been updated to version 20221130. This release includes a new clock correction file, v150. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 November 18The Chandra CALDB version 4.10.2 (released by the CXC on November 15, 2022) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2022 November 17The IXPE caldb has been updated for the XRT (version 20221021) and the GPD (version 20221020). Downloads are available from the IXPE Calibration page. Users can also access the IXPE Caldb at the HEASARC remotely without having to download the calibration data locally.2022 November 15The NuSTAR FPM caldb has been updated to version 20221115. This release includes a new clock correction file, v149. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 November 2The Swift SC caldb has been updated (update version 20221102) to update the clock correction file to version 151. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 October 31The NICER XTI caldb has been updated to version 20221001. This release updates detector gain, response and includes files to support the NICER background models. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2022 October 19The NuSTAR FPM caldb has been updated to version 20221019. This release includes a new clock correction file, v148. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 September 26The NuSTAR FPM caldb has been updated to version 20220926. This release includes a new clock correction file, v147. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 September 14The NuSTAR FPM caldb has been updated to version 20220912. This release includes a new clock correction file, v146. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 September 7The Swift SC caldb has been updated (update version 20220907) to update the clock correction file to version 150. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 August 30The NuSTAR FPM caldb has been updated to version 20220829. This release includes a new clock correction file, v145. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 August 16The NuSTAR FPM caldb has been updated to version 20220815. This release includes a new clock correction file, v144. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 August 12The Swift XRT caldb has been updated (update version 20220803) to update the XRT gains. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 August 2The NuSTAR FPM caldb has been updated to version 20220802. This release includes a new clock correction file, v143. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 July 6The NuSTAR FPM caldb has been updated to version 20220706. This release includes a new clock correction file, v142. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 July 5The Swift SC caldb has been updated (update version 20220705) to update the clock correction file to version 149. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 June 17The Chandra CALDB version 4.9.8 (released by the CXC on June 16, 2022) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2022 June 8The NuSTAR FPM caldb has been updated to version 20220608. This release includes a new clock correction file, v141. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 May 25The NuSTAR FPM caldb has been updated to version 20220525. This release includes a new clock correction file, v140. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 May 10The NuSTAR FPM caldb has been updated to version 20220510. This release includes a new clock correction file, v139, and a new FPMA gain file, v010. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 May 6The Swift SC caldb has been updated (update version 20220504) to update the clock correction file to version 148. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 April 27The NuSTAR FPM caldb has been updated to version 20220426. This release includes a new clock correction file, v138. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 April 21The CALDB document CAL/GEN/92-008: "Calibration Index Files" has been updated to reflect modern usage. This document is available in html and pdf formats.2022 April 13The NuSTAR FPM caldb has been updated to version 20220413. This release includes a new clock correction file, v137. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 April 04The caldb.config file at the HEASARC has been updated for the first release of the CALET caldb. To analyze CALET data with HEASOFT tools, please use this version of the caldb.config file.2022 April 3The first version of the CALET CGBM calibration database, version 20220331, has been released. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the CALET CGBM caldb as installed at the HEASARC.2022 March 28The NuSTAR FPM caldb has been updated to version 20220328. This release includes a new clock correction file, v136. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 March 28The Chandra CALDB version 4.9.7 (released by the CXC on March 24, 2022) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2022 March 21The caldb.config file at the HEASARC has been updated for the first release of the IXPE caldb. To analyze IXPE data with the IXPE tools released as part of HEASOFT 6.30, please use this version of the caldb.config file. Please see the IXPE Calibration page for more information.2022 March 21The NuSTAR FPM caldb has been updated to version 20220316. This release includes a new clock correction file, v135. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 March 2The NuSTAR FPM caldb has been updated to version 20220301. This release includes a new clock correction file, v134. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 March 2The Swift SC caldb has been updated (update version 20220302) to update the clock correction file to version 147. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 February 25The Swift caldb has been updated (update version 20211108) to update the UVOTA caldb. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 February 16The NuSTAR FPM caldb has been updated to version 20220215. This release includes a new clock correction file, v133. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 February 4The NuSTAR FPM caldb has been updated to version 20220131. This release includes a new clock correction file, v132. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 January 19The NuSTAR FPM caldb has been updated to version 20220118. This release includes a new clock correction file, v131. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2022 January 11The Swift SC caldb has been updated (update version 20220111) to update the clock correction file to v146. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2022 January 6The NuSTAR FPM caldb has been updated to version 20220105. This release includes a new clock correction file, v130. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 December 21The NuSTAR FPM caldb has been updated to version 20211221. This release includes a new clock correction file, v129. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 December 2The NuSTAR FPM caldb has been updated to version 20211202. This release includes a new clock correction file, v128. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 November 15The NuSTAR FPM caldb has been updated to version 20211115. This release includes a new clock correction file, v127. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 November 7The Swift SC caldb has been updated (update version 20211105) to update the clock correction file to v145. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 November 4The NuSTAR FPM caldb has been updated to version 20211103. This release includes a new clock correction file, v126. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 October 26The NuSTAR FPM caldb has been updated to version 20211020. This is a major update in the calibration of the NuSTAR observatory based on detailed analysis of more than nine years of observations of the Crab, utilizing both focused and stray light measurements. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 October 6The NuSTAR FPM caldb has been updated to version 20211004. This release includes a new clock correction file, v125. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 September 24The Chandra CALDB version 4.9.6 (released by the CXC on September 24, 2021) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2021 September 24The Swift XRT caldb has been updated (update version 20210915) to update the XRT gain, teldef and psf files. Downloads are available from the CALDB Supported Missions webpage or the Swift XRT FTP archive, or use the remote access method. See the remote access page for more information.2021 September 21The NuSTAR FPM caldb has been updated to version 20210921. This release includes a new clock correction file, v124. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 September 8The NuSTAR FPM caldb has been updated to version 20210908. This release includes a new clock correction file, v123. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 September 7The Swift SC caldb has been updated (update version 20210907) to update the clock correction file to v144. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 August 25The NuSTAR FPM caldb has been updated to version 20210824. This release includes a new clock correction file, v122. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 August 5The NuSTAR FPM caldb has been updated to version 20210728. This release includes a new clock correction file, v121. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 July 20The NICER XTI caldb has been updated to version 20210707. This release updates detector gain, response and effective area and other files and is compatible with NICERDAS version 8, which is part of HEASOFT 6.29. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2021 July 16The Swift SC caldb has been updated (update version 20210707) to update the clock correction file to v143. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 July 2The NuSTAR FPM caldb has been updated to version 20210701. This release includes a new clock correction file, v120. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 May 25The NuSTAR FPM caldb has been updated to version 20210524. This release includes a new clock correction file, v119. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 May 4The Swift SC caldb has been updated (update version 20210504) to update the clock correction file to v142. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 April 30The Chandra CALDB version 4.9.5 (released by the CXC on April 29, 2021) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release.2021 April 27The NuSTAR FPM caldb has been updated to version 20210427. This release includes a new clock correction file, v118. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 March 18The Swift SC caldb has been updated (update version 20210317) to update the clock correction file to v140. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 March 17The NuSTAR FPM caldb has been updated to version 20210315. This release includes a new clock correction file, v117. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 February 23The NuSTAR FPM caldb has been updated to version 20210210. This release includes a new clock correction file, v116 and updates to the alignment files, and a new beryllium window file. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 February 2The NuSTAR FPM caldb has been updated to version 20210202. This release includes a new clock correction file, v115. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2021 January 13The Swift SC caldb has been updated (update version 20210113) to update the clock correction file to v140. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2021 January 5The NuSTAR FPM caldb has been updated to version 20210104. This release includes a new clock correction file, v114. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 December 17The NuSTAR FPM caldb has been updated to version 20201217. This release includes a new clock correction file, v113. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 December 16The Chandra CALDB version 4.9.4 (released by the CXC on December 16, 2020) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release. Note that CALDB 4.9.4 is compatible with CIAO 4.12 and later versions only.2020 December 15The Swift UVOTA caldb has been updated (update version 20201215). This update includes a new badpixel file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 December 9The Swift UVOTA caldb has been updated (update version 20201207). This updates fixes an error in the previous release (20201026). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 December 01The NuSTAR FPM caldb has been updated to version 20201130. This release includes a new clock correction file, v112. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 November 11The Swift UVOTA caldb has been updated (update version 20201026). This updates the UVOTA bad pixel file. In addition the Swift SC caldb has been updated to version 20201106, which updates the clock correction file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 November 03The NuSTAR FPM caldb has been updated to version 20201101. This release includes a new clock correction file, v111. See the release notes for more information. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 October 16The Chandra CALDB version 4.9.3 (released by the CXC on October 16, 2020) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about this Chandra CALDB release. Note that CALDB 4.9.3 is compatible with CIAO 4.12 and later versions ONLY; there will be no further CalDB upgrades provided for CIAO 4.11 or CIAO 4.102020 October 10The Swift UVOTA caldb has been updated (update version 20201008). This fixes an error in the caldb.indx20200925 file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 September 30The Swift UVOTA caldb has been updated (update version 20200925). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 September 17The Swift SC caldb has been updated (update version 20200908). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 September 12The NuSTAR FPM caldb has been updated to version 20200912. This release includes a new clock correction file, v110. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 August 26The NuSTAR FPM caldb has been updated to version 20200826. This release includes a new clock correction file, v109. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 August 13The NuSTAR FPM caldb has been updated to version 20200813. This release includes a new clock correction file, v108, and new temperature-dependent ARFs for FPMA, to be used with NuSTARDAS 2.0 (released with HEASoft 6.28). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 August 11The NuSTAR FPM caldb has been updated to version 20200811. This release includes a new clock correction file, v107. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 August 10The Swift caldb has been updated for the XRT (update version 20200724) and for the UVOTA (update version 20190101). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 July 27The NuSTAR FPM caldb has been updated to version 20200726. This release includes a new clock correction file, v106, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 July 27The NICER XTI caldb has been updated to version 20200722. This release updates detector gain, response and effective area. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2020 July 15The Chandra CALDB version 4.9.2.1 (released by the CXC on July 9, 2020) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.9.2.1 release. Note that CALDB 4.9.2.1 is compatible with CIAO 4.12 and later versions ONLY; there will be no further CalDB upgrades provided for CIAO 4.11 or CIAO 4.102020 July 13The Swift SC caldb has been updated (update version 20200708). This includes updated v136 of the clock correction file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 July 13The NuSTAR FPM caldb has been updated to version 20200712. This release includes a new clock correction file, v105, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 June 26The NuSTAR FPM caldb has been updated to version 20200626. This release includes a new clock correction file, v104, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 June 25The General (GEN) caldb has been updated to version 20200625. This release includes fixes an error in the leapseconds file; in the previous version the last 2 SECONDS entry were incorrect. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access.2020 June 12The NuSTAR FPM caldb has been updated to version 20200612. This release includes a new clock correction file, v103, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 May 26The NuSTAR FPM caldb has been updated to version 20200526. This release includes a new clock correction file, v102, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 May 15An update to the RXTE PCA background model has been added to the PCA CALDB (update version 20200515). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or via remote access.2020 May 14The NuSTAR FPM caldb has been updated (update version 20200510). This release includes a new clock correction file, v101, which uses a more accurate estimate of the NuSTAR clock drift. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 May 6The NuSTAR FPM caldb has been updated (update version 20200429). This release includes a new clock correction file using a more accurate estimate of the NuSTAR clock drift. The update also includes new ARF files to correct the low energy effective area due to thermal blanket tear in the optics associated with focal plane module FPMA (see arXiv:2005.00569 for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2020 May 5The Swift SC caldb has been updated (update version 20200504). This includes updated v136 of the clock correction file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 April 25The CALDB file caldb.config has been updated for HaloSat.2020 April 3The Chandra CALDB version 4.9.1 (released by the CXC on April 3, 2020) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.9.1 release. Note that CALDB 4.9.1 is compatible with CIAO 4.12 and later versions ONLY; there will be no further CalDB upgrades provided for CIAO 4.11 or CIAO 4.102020 March 9The Swift SC caldb has been updated (update version 20200305). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2020 February 24The NICER XTI caldb has been updated to version 20200202. This release updates both the detector response file and the effective area file. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2020 January 8The Swift SC caldb has been updated (update version 20200106). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 December 19The NuSTAR FPM caldb has been updated (update version 20191219). This release is a patch of release 20191213, which had an incorrect caldb.indx file and missing version keywords in the gain and badpixel files. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2019 December 17The Chandra CALDB version 4.9.0 (released by the CXC on December 17, 2019) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.9.0 release.2019 December 16The NuSTAR FPM caldb has been updated (update version 20191213). This update includes new bad pixels and gain files for FPM A and B. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2019 November 8The Chandra CALDB version 4.8.5 (released by the CXC on November 7, 2019) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.5 release.2019 October 23The Swift SC caldb has been updated (update version 20191017), and the Swift XRT caldb has been updated to version 20190910. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 October 16The NuSTAR FPM caldb has been updated (update version 20191008). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2019 September 25The MAXI CALDB has been updated for both the SSC and GSC. The SSC CALDB has been updated to version 20190916. The GSC CALDB has been updated to version 20190916. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 September 13The Chandra CALDB version 4.8.4.1 (released by the CXC on September 13, 2019) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.4.1 release.2019 September 3The Chandra CALDB version 4.8.4 (released by the CXC on September 3, 2019) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.4 release.2019 August 14The directory structure for the COSB caldb was changed to move the cosb/sc/cpf subdirectory to cosb/cpf and to remove empty (non-standard) files and subdirectories.2019 August 15The Swift SC caldb has been updated (update version 20190813). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 August 12The NuSTAR FPM caldb has been updated (update version 20190812). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method to access the NuSTAR caldb as installed at the HEASARC.2019 July 01The NuSTAR FPM caldb has been updated (update version 20190607). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 June 09The Swift SC caldb has been updated (update version 20190607). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 June 3The Chandra CALDB version 4.8.3 (released by the CXC on May 23, 2019) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.3 release.2019 May 20The NICER XTI caldb has been updated to version 20190516. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2019 May 13The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20190513 to update the NuSTAR clock correction file to version 93, which contains corrections to the NuSTAR spacecraft clock valid through 2019-05-13. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2019 April 22The Swift XRT caldb has been updated (update version 20190412). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 April 11The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20190410 to update the NuSTAR clock correction file to version 92, which contains corrections to the NuSTAR spacecraft clock valid through 2019-04-10. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2019 April 6The Swift SC caldb has been updated with the latest clock correction file (update version 20190405). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2019 March 15The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20190314 to update the NuSTAR clock correction file to version 91, which contains corrections to the NuSTAR spacecraft clock valid through 2019-03-14. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2019 March 5The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20190228 to update the NuSTAR clock correction file to version 90, which contains corrections to the NuSTAR spacecraft clock valid through 2019-02-28. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2019 February 5The Swift SC caldb has been updated with the latest clock correction file (update version 20190129). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 December 21In case the HEASARC CALDB is unavailable, users can still access CALDB data from the CALDB mirror site hosted at the CfA. The mirror CALDB is available at ftp://cda.cfa.harvard.edu/pub/arcftp/heasarc/caldb/. Remote access users should set their CALDB environment variable to% setenv CALDB ftp://cda.cfa.harvard.edu/pub/arcftp/heasarc/caldb/ (for c-shell users) and make sure your local CALDBCONFIG and CALDBALIAS files are up to date. 2018 December 14The Chandra CALDB version 4.8.2 (released by the CXC on December 13, 2018) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.2 release.2018 November 17The Swift SC caldb has been updated with the latest clock correction file (update version 20181114). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 November 8The Fermi LAT CALDB has been updated (update version 1.0.0). This is the first version of the LAT caldb which is released through git and available via the Fermi Science tools using the new conda installation. See the FermiTools wiki for details. Downloads are available from the CALDB Supported Missions webpage or the on-line archive, and via github.2018 November 7The NICER XTI caldb has been updated to version 20181105. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2018 October 31The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20181030 to update the NuSTAR clock correction file to version 87, which contains corrections to the NuSTAR spacecraft clock valid through 2018-10-30. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 October 29The Chandra CALDB version 4.8.1 (released by the CXC on October 25, 2018) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about how the Chandra CALDB 4.8.1 release affects data analysis.2018 October 23The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20181010. Note that the new version of xisrmfgen distributed with HEASOFT 6.25 requires version 20181010 of the XIS caldb. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2018 October 22The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20181022 to update the NuSTAR clock correction file to version 86, which contains corrections to the NuSTAR spacecraft clock valid through 2018-10-22. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 September 25The MAXI CALDB has now been installed at the HEASARC (release 20180912). Downloads are available from the CALDB Supported Missions webpage or the FTP archive. Users should also replace the $CALDBCONFIG file with caldb.config.20180925 in order to update the CALDB configuration with the appropriate MAXI directory paths. The MAXI CALDB can be accessed remotely once the new caldb.configuration file is installed.2018 September 25The CALDB configuration file, caldb.config, was updated to version 20180925 to include the MAXI calibration data configuration. Users are encouraged to replace the $CALDBCONFIG file with this file.2018 September 14The Chandra CALDB version 4.8.0 (released by the CXC on September 11, 2018) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.8.0 release.2018 September 14The Swift SC caldb has been updated with the latest clock correction file (update version 20180911). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 August 15The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20180814 to update the NuSTAR clock correction file to version 84, which contains corrections to the NuSTAR spacecraft clock valid through 2018-08-14. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 July 16The Swift XRT caldb has been updated (update version 20180710). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 July 13The multi-mission ("generic") CALDB was updated to version 20180713. This was an update of the caldb.indx file to include the solar_geophys_data_v1.fits file and older leapsecond files which were missing from the previous version of the caldb.indx (20160713).2018 June 12The NICER XTI caldb has been updated to version 20180711. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely. Please ensure your $CALDB environment variable is set to https://heasarc.gsfc.nasa.gov/FTP/caldb and you are using the latest version of HEASoft to enable remote access to the HEASARC CALDB.2018 July 9The Swift SC caldb clock correction has been updated (update version 20180709). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 June 29The Chandra CALDB version 4.7.9 (released by the CXC on June 28, 2018) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.9 release.2018 June 7The NICER XTI caldb has been updated to version 20180605. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely. Please ensure your $CALDB environment variable is set to https://heasarc.gsfc.nasa.gov/FTP/caldb and you are using the latest version of HEASoft to enable remote access to the HEASARC CALDB.2018 May 23The NICER XTI caldb has been updated to version 20180517. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2018 May 20The Swift SC caldb clock correction has been updated (update version 20180411). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 April 19The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20180419 to update the NuSTAR clock correction file to version 80, which contains corrections to the NuSTAR spacecraft clock valid through 2018-04-19. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 April 18The NICER XTI caldb has been updated to version 20180417. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely.2018 March 22The Chandra CALDB version 4.7.8 (released by the CXC on March 21, 2018) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.8 release.2018 March 22The Swift UVOTA caldb index file for version 20170922 had an incorrect value of the CALDBVER keyword. This keyword value has been corrected to CALDBVER = '20170922'.2018 March 13The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20180312 to update the NuSTAR clock correction file to version 79, which contains corrections to the NuSTAR spacecraft clock valid through 2018-03-12. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 March 8The Swift SC caldb clock correction has been updated (update version 20180305). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 March 5The NICER XTI caldb has been updated to version 20180226. NICER users can download the tar file for local installation from the CALDB Supported Missions webpage or the FTP archive. For convenience NICER users can access the NICER CALDB at the HEASARC remotely. Note that in order to access the NICER caldb please update your caldb.config file with the latest caldb.config file (last updated Aug 2, 2017). Please see the CALDB Installation Guide for detailed instructions.2018 February 14The Hitomi CALDB has been updated for the GEN (update version 20180212), the SXI (update version 20180212) and the SXS (update version 20180212). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2018 January 26he XMM CCF has been updated with the following new calibration constituents: EMOS1_FWC_0002.CCF, EMOS2_FWC_0002.CCF, EPN_FWC_0002.CCF. For download instructions see the XMM Calibration Portal2018 January 26The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20180126 to update the NuSTAR clock correction file to version 78, which contains corrections to the NuSTAR spacecraft clock valid through 2018-01-26. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2018 January 13The Swift SC caldb clock correction has been updated (update version 20180103). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 December 16The Chandra CALDB version 4.7.7 (released by the CXC on December 14, 2017) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.7 release.2017 December 14The Hitomi CALDB has been updated for the SGD (update version 20171207). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 December 4The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20171204 to update the NuSTAR clock correction file to version 76, which contains corrections to the NuSTAR spacecraft clock valid through 2017-12-04. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2017 November 15The Swift XRT caldb has been updated (update version 20171113). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 November 02The Swift SC caldb has been updated (update version 20171101). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 October 9The Hitomi CALDB has been updated for the SGD (update version 20170926). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 October 26The Swift BAT caldb has been updated (update version 20171016). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 October 9The Swift UVOTA caldb has been updated (update version 20170922). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 October 3The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20171002 to update the NuSTAR clock correction file to version 75, which contains corrections to the NuSTAR spacecraft clock valid through 2017-10-02. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2017 September 8The Swift SC caldb has been updated (update version 20170831. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 August 30The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170817 to update the NuSTAR clock correction file to version 74, which contains corrections to the NuSTAR spacecraft clock valid through 2017-08-17. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2017 August 28The Chandra CALDB version 4.7.6 (released by the CXC on August 18, 2017) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.6 release.2017 August 21The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170727. This CALDB patch is a required update for using saamode=3 now available with NuSTARDAS v1.8.0. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2017 August 18The first release of the NICER XTI caldb is now available from the HEASARC. Download of the tar file for local installation is available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access. Note that in order to access the NICER caldb please update your caldb.config file with the updated caldb.config file (last updated Aug 2, 2017). Please see the CALDB Installation Guide for detailed instructions.2017 July 21The Chandra CALDB version 4.7.5.1 (released by the CXC on July 20, 2017) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.5.1 release.2017 July 21The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170720 to update the NuSTAR clock correction file to version 73, which contains corrections to the NuSTAR spacecraft clock valid through 2017-07-20. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution. Please note that the versions of clock correction files v022 to v063 were found to have unphysical discontinuities in the clock correction; please use only versions v066 and later in analysis.2017 June 30The Swift SC caldb has been updated (update version 20170630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 June 14The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170614 to update the NuSTAR clock correction file to version 72, which contains corrections to the NuSTAR spacecraft clock valid through 2017-06-14. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution. Please note that the versions of clock correction files v022 to v063 were found to have unphysical discontinuities in the clock correction; please use only versions v066 and later in analysis.2017 May 12The Hitomi CALDB has been updated for the SXI (update version 20170405). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 May 10The Swift SC caldb has been updated (update version 20170505) and the Swift XRT caldb has also been updated (update version 20170501). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 May 5The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170503 to update the NuSTAR clock correction file to version 71, which contains corrections to the NuSTAR spacecraft clock valid through 2017-05-03. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution. Please note that the versions of clock correction files v022 to v063 were found to have unphysical discontinuities in the clock correction; please use only versions v066 and later in analysis.2017 April 24The NuSTAR FPM CALDB at the HEASARC was updated to CALDB version 20170419 to update the NuSTAR clock correction file to version 70, which contains corrections to the NuSTAR spacecraft clock valid through 2017-04-19. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution. Please note that the versions of clock correction files v022 to v063 were found to have unphysical discontinuities in the clock correction; please use only versions v066 and later in analysis.2017 April 5The HEASARC now uses secure (https) connections on all its servers, and unfortunately this breaks virtual file access in CFITSIO. This means that remote access to the HEASARC CALDB is also broken using https or http (which is re-directed to https). Remote access users should download HEASOFT 6.21 and set the $CALDB environment variable to ftp://heasarc.gsfc.nasa.gov/caldb. Note that CFITSIO ftp access to the HEASARC servers was broken in versions of HEASOFT prior to HEASOFT 6.21. For more information please see the CALDB remote access page.2017 March 7The Hitomi CALDB has been updated for the SGD (update version 20170208), and general spacecraft caldb (update version 20170208), and the Hitomi caldb superindex (update version 20170208). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 March 7The Swift caldb has been updated (update version 20170306). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 February 24The NuSTAR CALDB at the HEASARC was updated to CALDB version 20170222 to update the NuSTAR clock correction file to version 69, which contains corrections to the NuSTAR spacecraft clock valid through 2017-02-22. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2017 February 1The UVOTA caldb has been updated (update version 20170130). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 January 23The NuSTAR CALDB at the HEASARC was updated to CALDB version 20170120 to update the NuSTAR clock correction file to version 68, which contains corrections to the NuSTAR spacecraft clock valid through 2017-01-20. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2017 January 13The Hitomi CALDB update for the SXS (update version 20161122) , HXI (update version 20161122), SXI (update version 20161122) and GEN (update version 20161122) previously released at the HEASARC on December 22, 2016 was incomplete, and it has now been re-released to the HEASARC. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2017 January 11The Swift clock correction file for Swift has been updated (update version 20170110. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 December 27The tar file produced for the 2016-12-07 NuSTAR CALDB at the HEASARC for the 2016-12-07 was missing some files and so has been re-created. If you had previously downloaded this tar file, please re-download the new tar file (designated goodfiles_nustar_fpm_clockcor_20161207a.tar.gz, or goodfiles_nustar_fpm_clockcor_20161207a.tar.gz for the tar file that only contains the updated clock correction file).2016 December 22The Hitomi CALDB data has been updated for the SXS (update version 20161122) , HXI (update version 20161122), SXI (update version 20161122) and GEN (update version 20161122). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 December 22The Chandra CALDB version 4.7.3 (released by the CXC on December 15, 2016) was installed at the HEASARC. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.7.3 release.2016 December 8The NuSTAR CALDB at the HEASARC was updated to CALDB version 20161207 to update the NuSTAR clock correction file to version 66, which contains corrections to the NuSTAR spacecraft clock valid through 2016-12-07. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 November 21The clock correction file for Swift has been updated (update version 20161118. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 October 25The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160922 to update the NuSTAR clock correction file to version 63, which contains corrections to the NuSTAR spacecraft clock valid through 2016-10-21. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 September 23The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160922 to update the NuSTAR clock correction file to version 62, which contains corrections to the NuSTAR spacecraft clock valid through 2016-09-22. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 September 20The clock correction file for Swift has been updated (update version 20160908. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 Sep 20Hitomi CALDB data has been updated for the SXS (update version 20160715) , HXI (update version 20160812) and GEN (update version 20160812). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 August 30The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160731 to update the NuSTAR clock correction file to version 61, which contains corrections to the NuSTAR spacecraft clock valid through 2016-08-24. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 August 2The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160731 to update the NuSTAR clock correction file to version 60, which contains corrections to the NuSTAR spacecraft clock valid through 2016-07-31See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 July 28There was an error in the NuSTAR CALDB update version 20160706 in which the caldb.indx file was pointing to an older CALDB version (20151008). This has now been fixed, and the tar files have been updated. If you have previously downloaded NuSTAR CALDB 20160706, you should re-download and re-install this version, or use Remote Access to access version 20160706 of the NuSTAR CALDB.2016 July 22The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160706 to update the NuSTAR clock correction file to version 59, which contains corrections to the NuSTAR spacecraft clock valid through 2016-07-06 (and includes corrections included in version 58 of the clock correction file). See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 July 21The NuSTAR CALibration DataBase was updated on July 21, 2016 (CALDB version 20160606, corresponding to the internal NuSTAR project patch release 20160606). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 July 20The Chandra CALDB version 4.7.2 (released by the CXC on May 31, 2016) was installed at the HEASARC on July 19, 2016. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.7.2 release.2016 July 13The leapsecond table leapsec_010117.fits in the generic (GEN) CALDB at the HEASARC has been updated to include the leap second that will occur on January 1, 2017 (update version 20160713). See http://maia.usno.navy.mil/ser7/leapsec.dat for the list of leap seconds maintained by the USNO. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2016 July 7The clock correction file for Swift has been updated (update version 20160706). The Swift XRT CALDB has also been updated (update version 20160609). Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 June 24Hitomi HXI CALDB data has been updated to include two files, $CALDB/data/hitomi/hxi/bcf/instmap/ah_hx1_instmap_20140101v002.fits and $CALDB/data/hitomi/hxi/bcf/instmap/ah_hx2_instmap_20140101v002.fits which were inadvertently left out of the June 22 release. If you have downloaded the Hitomi HXI CALDB locally, you should download these to files to your $CALDB/data/hitomi/hxi/bcf/instmap directory.2016 June 22CALDB data for all Hitomi instruments (the HXI, SGD, SXI and SXS) have been updated as follows: the GEN, HXI, and SXS have been updated to version 20160606, while the SGD and SXI have been updated to version 20160614. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 June 16The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20160607. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2016 May 12The NuSTAR CALibration DataBase was updated on May 12, 2016 (CALDB version 20160502, corresponding to the internal NuSTAR project release 20160315). This is a patch release, and includes a new CALDB file nuCchu123range20100101v001.fits, which defines how the CHU combinations are split using the nusplitsc FTOOL. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 May 11CALDB data for all Hitomi instruments (the HXI, SGD, SXI and SXS) have been released. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 May 9The clock correction file for Swift has been updated (update version 20160504. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 April 24The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20160401. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2016 April 22The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160421 to update the NuSTAR clock correction file to version 57, which contains corrections to the NuSTAR spacecraft clock valid through 2016-04-21. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 March 29The Chandra CALDB version 4.7.1 was released by the CXC on March 25, 2016 and installed at the HEASARC on March 29, 2016. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.7.1 release.2016 March 28The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160325 to update the NuSTAR clock correction file to version 56, which contains corrections to the NuSTAR spacecraft clock valid through 2016-03-25. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 March 28The UVOTA caldb has been updated (update version 20160321). This update restores the phot file swuphot20041120v108.fits which was originally released in the uvot caldb update 20110731 but dropped from subsequent caldb.indx files. The SC caldb has been updated with a new clock correction file (update version 20160321) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 March 13The NuSTAR CALDB at the HEASARC was updated to CALDB version 20160222 to update the NuSTAR clock correction file to version 55, which contains corrections to the NuSTAR spacecraft clock valid through 2016-02-22. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2016 March 10The Generic CALDB data were updated in anticipation of the upcoming release of the Hitomi CALDB. Update version is 20160310.2016 February 15The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20160204. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2016 January 31The XRT makefilter parameter file for Swift has been updated (update version 20160121. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2016 January 20The clock correction file for Swift has been updated (update version 20160113. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 December 16The Chandra CALDB version 4.7.0 was released by the CXC on December 15, 2015 and installed at the HEASARC on December 16, 2015. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.7.0 release.2015 November 16The clock correction file for Swift has been updated (update version 20151105. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 October 17The NuSTAR CALDB at the HEASARC was updated to CALDB version 20151008 to update the NuSTAR clock correction file to version 52, which contains corrections to the NuSTAR spacecraft clock valid through 2015-10-08. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 October 07The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20151005. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2015 September 27The Chandra CALDB version 4.6.9 was released by the CXC on September 23, 2015 and installed at the HEASARC on September 27, 2015. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.9 release.2015 September 25The clock correction file for Swift has been updated (update version 20150911. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 September 07The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150904 to update the NuSTAR clock correction file to version 51, which contains corrections to the NuSTAR spacecraft clock valid through 2015-09-04. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 August 3The gain and badpix files for the Swift XRT Caldb have been updated (update version 20150721. The senscorr file in the Swift UVOTA Caldb has been updated (update version 20150717. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 July 10The Swift SC Caldb has been updated with a new clock correction file (update version 20150707. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 July 06The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150702 to update the NuSTAR clock correction file to version 50, which is good through 2015-07-02. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 July 2The Chandra CALDB version 4.6.8 was released by the CXC on July 1, 2015 and installed at the HEASARC on July 2, 2015. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.8 release.2015 June 22The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150612 to update the NuSTAR clock correction file to version 49, which is good through 2015-06-12, See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 June 11The Fermi LAT CALDB has been updated (update version v10r0p5_20150509). This is the first version of the LAT caldb to include the instrument response functions for Pass 8 processed data. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2015 May 28The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150526 to update the NuSTAR clock correction file to version 48, which is good through 2015-05-26, See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 May 1The Swift SC Caldb has been updated with a new clock correction file (update version 20150428. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 March 31The Swift SC Caldb has been updated with a new clock correction file (update version 20150302. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2015 March 31The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20150312. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2015 March 20The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150316 to update the NuSTAR clock correction file to version 46, which is good through 2015-03-13, and includes new gain files. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 February 26The Chandra CALDB version 4.6.7 was released by the CXC on February 23, 2015 and installed at the HEASARC on February 6, 2015. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.7 release.2015 January 23The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150123 to update the NuSTAR clock correction file to version 44, which is good through January 23, 2015. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 January 17The leapsec_010715.fits file in the generic (GEN) CALDB at the HEASARC has been updated to include the leap second that will occur on July 1, 2015 (update version 20150117). See http://maia.usno.navy.mil/ser7/leapsec.dat for the list of leap seconds maintained by the USNO. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2015 January 16The NuSTAR CALDB at the HEASARC was updated to CALDB version 20150114 to update the NuSTAR clock correction file to version 43, which is good through January 14, 2015. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2015 January 10The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20150105. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2015 January 10The Swift SC Caldb has been updated with a new clock correction file (update version 20150107. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 December 16The Chandra CALDB version 4.6.5 was released by the CXC on December 16, 2014 and installed at the HEASARC on December 16, 2014. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.5 release.2014 November 12The Swift SC Caldb has been updated with a new clock correction file (update version 20141107. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 November 7The NuSTAR CALDB at the HEASARC was updated to CALDB version 20141107 to update the NuSTAR clock correction file to version 42, which is good through November 7, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2014 October 20The NuSTAR CALDB at the HEASARC was updated to CALDB version 20141020 to update the NuSTAR clock correction file to version 41, which is good through October 20, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. For a faster download, users can simply download the clock correction and caldb files as a single tar file; after downloading, copy the file to $CALDB and untar. This tar file is much smaller than the full NuSTAR fpm CALDB distribution.2014 October 14The NuSTAR CALDB at the HEASARC was updated to CALDB version 20141014 to update the NuSTAR clock correction file to version 40, which is good through October 9, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 October 2The Swift SC Caldb has been updated with a new clock correction file (update version 20140903. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 October 2The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20141001. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 September 17The NuSTAR CALDB at the HEASARC was updated to CALDB version 20140917 to update the NuSTAR clock correction file to version 39, which is good through September 17, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 September 2The Chandra CALDB version 4.6.3 was released by the CXC on August 29, 2014 and installed at the HEASARC on September 2, 2014. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.3 release.2014 August 25The NuSTAR CALDB at the HEASARC was updated to CALDB version 20140814 to update the NuSTAR clock correction file to version 38, which is good through August 14, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 July 30The Swift Caldb has been updated for the SC (update version 20140718 and the XRT (update verision 20140709). Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 July 25The NuSTAR CALDB at the HEASARC was updated to CALDB version 20140715 to update the NuSTAR clock correction file to version 37, which is good through July 15, 2014. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 July 14The Chandra CALDB at the HEASARC has been updated to CALDB 4.6.2. The update was released on July 9, 2014. This corrects an error in the HRC branch index file which causes the 2012 and 2013 HRC-I BKGRND files to be selected in reversed order, which affects HRC-I-related tools such as hrc_bkgrnd_lookup and fluximage. See the CalDB release notes, available at the CXC Caldb site, for more details about the Chandra CALDB 4.6.2 release.2014 July 1The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20140701. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 July 11The NuSTAR CALDB at the HEASARC was updated to CALDB version 20140414. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 June 30The Swift Caldb has been updated for the XRT (update version 20140610. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 June 23The caldb setup and initialization files have been updated so that they no longer overwrite the $CALDB, $CALDBCONFIG and $CALDBALIAS environment variables if they are already defined. Note that first-time installers of the CALDB will need to edit the caldbinit.csh (c-shell variants) or caldbinit.sh (bash-variants) to properly define these environment variables to point to their local CALDB installation. .2014 June 9The Swift Caldb has been updated for the SC (update version 20140605. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 June 5The Fermi LAT CALDB has been updated (update version v9r33p0_20140604). Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2014 May 23The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20140520. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 May 20The Swift Caldb has been updated for the SC (update version 20140416. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 March 26The Chandra CALDB at the HEASARC has been updated to CALDB 4.6.1. The update was released on March 26, 2014. CalDB 4.6.1 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.6.1 release.2014 February 12The Swift Caldb has been updated for the SC (update version 20140211. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 February 5The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20140203. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2014 February 3The Swift Caldb has been updated for the XRT (update version 20140120. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 January 28The file EPN_CTI_0031.CCF has been released. This file is used to correct for the long-term increase in charge transfer inefficiency in the PN. See the XMM-Newton Current Calibration Files page for more information.2014 January 17The NuSTAR CALDB at the HEASARC was updated to CALDB version 20131223. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. Because of the large size of some NuSTAR calibration files, remote access users may experience delays in calibrating NuSTAR data via nupipeline or other tasks. At the present time we recommend downloading the NuSTAR caldb and installing it locally.2014 January 13The Swift Caldb has been updated for the XRT (update version 20131220. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2014 January 13The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20131231. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2013 December 13The Swift Caldb has been updated for the SC (update version 20131211. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2013 November 25The Swift Caldb has been updated for the SC (update version 20130911. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2013 November 25The NuSTAR CALDB at the HEASARC was updated to CALDB version 20131007. See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. Because of the large size of some NuSTAR calibration files, remote access users may experience delays in calibrating NuSTAR data via nupipeline or other tasks. At the present time we recommend downloading the NuSTAR caldb and installing it locally.2013 November 21The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.9. The update was released on November 19, 2013. CalDB 4.5.9 requires CIAO 4.3 or later version. This release includes an updated ACIS gain correction and contamination, and an updated HRC gain file. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.5.9 release.2013 October 28The Fermi LAT CALDB has been updated (update version v9r32p5_20131024). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2013 September 16The Swift Caldb has been updated for the SC (update version 20130911. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2013 September 16The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20130916. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method.2013 August 29The NuSTAR CALDB at the HEASARC was released on August 14, 2013 (CALDB version 20130509). See the NuSTAR CalDB release notes for details. Downloads are available from the CALDB Supported Missions webpage or the FTP archive. Because of the large size of some NuSTAR calibration files, remote access users may experience delays in calibrating NuSTAR data via nupipeline or other tasks. At the present time we recommend downloading the NuSTAR caldb and installing it locally.2013 August 23The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.8. This is an upgrade to CalDB 4.5.7. The update was released on August 23, 2013. CalDB 4.5.8 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.5.8 release.2013 August 2The Swift Caldb has been updated for the SC (update version 20130715. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 August 2The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20130724. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 July 01The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.7. This is an upgrade to CalDB 4.5.5. The update was released on June 28, 2013. CalDB 4.5.7 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the Chandra CALDB 4.5.7 release.2013 June 17The Swift Caldb has been updated for the SC (update version 20130606. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 May 7The Swift Caldb has been updated for the SC (update version 20130507. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 April 24The Fermi LAT CALDB has been updated (update version v9r31p1_20130424). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2013 April 11The Swift Caldb has been updated for the SC (update version 20130405. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 March 18The Swift Caldb has been updated for the XRT (update version 20130313. Please see the Swift Caldb page for information about this update. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 March 11The Swift Caldb has been updated for the SC (update version 20130308). Information about this release is available from the Swift Calibration page. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 March 11The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20130305. See the Suzaku Calibration page for information about this release. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 January 20The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20130110; Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 January 20The Swift Caldb has been updated for the UVOTA (update version 20130118). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2013 January 9The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.5.1. This is an upgrade to CalDB 4.5.5. The update was released on Jan 8, 2013. CalDB 4.5.5.1 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.5.5.1 release.2012 December 26The Swift Caldb has been updated for the SC (update version 20121218). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 December 3The Swift Caldb has been updated for the SC (update version 20121128). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 November 28The Swift Caldb has been updated for the SC (update version 20121005). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 November 26A minor update to the document "How to Manage a Calibration Database" (cal/gen/92_015) has been posted to the CALDB documentation library.2012 November 15The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20121106; Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 October 17Version 294 of the XMM Current Calibration File (XMM-CCF-REL-294) was released by the XMM project on September 24, 2012. This release includes updates to the XMM EPIC PN Offset Table. See the XMM-Newton Current Calibration Files page for more information.2012 Oct 16The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.3. This is an upgrade to CalDB 4.5.2. The update was released on Oct 15, 2012. CalDB 4.5.3 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.5.3 release.2012 October 5The Swift Caldb has been updated for the SC (update version 20120830). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 October 5The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20120902; release notes); also see the note about the updated calibration for the Suzaku XIS contaminant buildup. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 Sep 28The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.2. This is an upgrade to CalDB 4.5.1. CalDB 4.5.2 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.5.2 release.2012 Aug 31The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.1. This is an upgrade to CalDB 4.5.0. CalDB 4.5.1 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.5.1 release.2012 August 26The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20120820) In addition, the following files were removed from the XIS caldb: ae_xi1_nxbsci6_20111201.fits ae_xi1_nxbscion_20110601.fits ae_xi1_nxbvdchk_20110601.fits ae_xi1_nxbvdchk_20111201.fits ae_xi1_nxbscion_20110602.fits ae_xi1_nxbscion_20120601.fits. These files were move to the oldnxb subdirectory under the XIS caldb. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 July 13The Swift Caldb has been updated for the SC (update version 20120713). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 July 9The Swift Caldb has been updated for the SC (update version 20120604) and the UVOTA (update version 20120606). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 July 9The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20120703; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 June 28The Chandra CALDB at the HEASARC has been updated to CALDB 4.5.0. This is an upgrade to CalDB 4.3.x. CalDB 4.5.0 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.5.0 release.2012 June 8The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.10. This is an upgrade to CalDB 4.3.x. CalDB 4.4.10 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.10 release.2012 June 07The Fermi LAT CALDB has been updated (update version v9r27p1_20120418). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2012 May 11The Swift Caldb has been updated for the SC (update version 20120503. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 May 11The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20120509; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 April 2The Swift Caldb has been updated for the SC (update version 20120402. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 April 2The Swift Caldb has been updated for the SC (update version 20120402. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 March 21The Swift Caldb has been updated for the XRT (update version 20120209. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 February 22CAL/fermi/2007-001: "Fermi Calibration Data in the HEASARC Calibration Database" has been updated.2012 February 24The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.8. This is an upgrade to CalDB 4.3.x. CalDB 4.4.8 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.8 release.2012 February 11The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20120209; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 February 9The Swift Caldb has been updated for the SC (update version 20120206. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2012 January 27The leapsec_010712.fits file in the generic (GEN) CALDB at the HEASARC has been updated to include the leap second that will occur on July 1, 2012 (update version 20120127). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2012 January 11The FINAL PCA breakdown history and SAA history file updates have been added to the XTE/PCA calibration database (update version 20120110). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 December 16The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.7. This is an upgrade to CalDB 4.3.x. CalDB 4.4.7 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.7 release.2011 December 6PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20111205). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 November 10The Swift Caldb has been updated for the SC (update version 20111031. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 November 9The Swift Caldb has been updated for the UVOTA (update version 20111031. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 November 9The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20111109; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 Nov 9The document "The OGIP Format for 2-d (Image) Point Spread Function Datasets" (CAL/GEN/92-027 has been updated (update version 11 Nov 2011). The new version is either as available in pdf or html formats.2011 November 07The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.6. This is an upgrade to CalDB 4.3.x. CalDB 4.4.6 requires CIAO 4.3 or later version. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.6 release.2011 November 2PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20111102). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 October 25CAL/GEN/92-020, "The OGIP Format for Radial Point Spread Function Datasets" has been updated to version 2011 Oct 21.2011 October 10The Swift Caldb has been updated for the SC (update version 20110930; release notes) and the XRT (update version 20110915. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 October 10The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110930). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 September 18PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110917). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 September 15The Swift Caldb has been updated for the SC (update version 20110831). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 September 15The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20110913) and the XIS (update version 20110913). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 August 12The Swift Caldb has been updated for the SC (update version 20110801), the UVOTA (update version 20110731), and the XRT (update version 20110725). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 August 12The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110804; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 August 04PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110804). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 Aug 01The Fermi LAT CALDB has been updated (update version v9r23p1_20110726). This release includes the Pass 7 instrument response functions (IRFS). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 July 5The Swift Caldb has been updated for the SC (update version 20110705). This release is the same as the 20110630 release, but fixes a problem with the file names in the caldb.indx file. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 July 01The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110630; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 July 01The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.5. This is an upgrade to CalDB 4.3.x. CalDB 4.4.5 requires CIAO 4.3 or later version; earlier versions of CIAO do not support recent upgrades to acis_process_events. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.5 release.2011 July 1The Swift Caldb has been updated for the SC (update version 20110630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 July 01The Suzaku CALDB at the HEASARC has been updated for the XRT (update version 20110630) and the HXD (update version 20110630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 July 01PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 June 9The Swift Caldb has been updated for the SC (update version 20110531) and the XRT (update version 20110513 Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 June 09The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110608). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the remote access method: remote access.2011 May 27The Fermi LAT CALDB has been updated (update version v9r23p1). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 May 12The document "Calculating Deadtime Corrections for ROSAT Data" (CAL/ROS/11-001, available as html or pdf) has now been added to the ROSAT CALDB library.2011 May 5The Swift Caldb has been updated for the SC (update version 20110430). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 May 05PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110503). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 April 28The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.3. This is an upgrade to CalDB 4.3.x. CalDB 4.4.3 requires CIAO 4.3 or later version; earlier versions of CIAO do not support recent upgrades to acis_process_events. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.3 release.2011 April 12PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110407). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 March 9PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110308). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 March 4The Swift Caldb has been updated for the SC (update version 20110303). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 March 02The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.2. This is a patch upgrade to CalDB which includes a correction to the ACIS branch index file to include ACIS CONTAM N0006 listings for ACIS-8 and ACIS-9. This prevents an ARDLIB initialization error for observations taken since 2011-01-01T00:00:00 (UTC). See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.2 release.2011 February 10The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110210; release notes). This update resolves the incompatibility problem with the CONTAMI_TRANS introduced in XIS update 20110118. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 February 10The Suzaku CALDB XIS update (version 20110118) includes new CONTAMI_TRANS files which are incompatible with the XIS tools released in the current version of HEASoft (28Sep2010_V6.10). These tools will be updated in a forthcoming HEASoft release. In the meantime Suzaku users should re-set their local CALDBs to the 20101108 version of the XIS caldb. To do this, go to $CALDB/data/suzaku/xis and change the caldb.indx symbolic link to point to the file $CALDB/data/suzaku/xis/index/caldb.indx20101108. This has already been done for the SUZAKU XIS Caldb at the HEASARC for remote CALDB users. We will announce here and on the caldb rss feed when a new XIS caldb is available.2011 February 9The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20110118). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 February 9The Swift Caldb has been updated for the SC (update version 20110131), the UVOTA (update version 20110131). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 February 3PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110201). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 January 24New XMM calibration products have been released by the XMM Science Operations Center. The cross calibration document has been updated, and a new EPIC-pn Charge Transfer Inefficiency (CTI) CCF constituent has been released, along with an update do the RGS effective area determination to apply a correction for alignment of RGS and EPIC effective areas.2011 January 13The Swift Caldb has been updated for the SC (update version 20101231), the UVOTA (update version 20101231). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2011 January 3PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20110101). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 December 16The Chandra CALDB at the HEASARC has been updated to CALDB 4.4.1. This is a significant upgrade to CalDB to include an upgrade to the ACIS-I CONTAM model, ACIS T_GAIN Epoch 43, the ACIS SUBPIX file, the ACIS T_GAIN Epoch43, the ACIS GRDIMG file, the Temp-dependent CTI correction, the HRC-I QE and GMAP updates, and the HRC-S/LETG tilt correction, TGMASK2, and LSFPARM upgrades. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.4.1 release.2010 December 13PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20101213). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 December 6The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20101202 ) and the XIS (update version 20101108; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 December 6The Swift Caldb has been updated for the SC (update version 20101130), the UVOTA (update version 20101130). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 November 04PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20101103). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 October 27The Fermi LAT CALDB has been updated (update version v9r18p6). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 October 05PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20101003). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 September 30The Swift Caldb has been updated for the SC (update version 20100930), the UVOTA (update version 20100930), and the XRT (update version 20100802. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 September 28The Chandra CALDB at the HEASARC has been updated to CALDB 4.3.1. This is a patch release. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.3.1 release.2010 August 23The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20100812 ). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 August 04PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100804). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 July 30The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20100709 ; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access. In addition the index file for the Suzaku XRT (caldb.indx20080709) was found to have some files incorrectly flagged; this has been replaced with a new index file (caldb.indx20100730) and the tar files have been re-created.2010 July 30The Swift Caldb has been updated for the SC (update version 20100730). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 July 1The Swift Caldb has been updated for the UVOTA (update version 20100630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 June 30The Swift Caldb has been updated for the SC (update version 20100630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 June 21The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20100617 ). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 June 21The Swift Caldb has been updated for the SC (update version 20100528), the XRT (update version 20100528). and the UVOTA (update version 20100528). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 June 17The Chandra CALDB at the HEASARC has been updated to CALDB 4.3.0. This is a patch release. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.3.0 release.2010 June 07PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100607). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 May 17The Swift Caldb has been updated for the SC (update version 20100430). and the UVOTA (update version 20100430). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 May 3The Chandra CALDB at the HEASARC has been updated to CALDB 4.2.2. This is a patch release. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.2.2 release. Users can still access the Chandra CALDB 3.5 in the HEASARC CALDB FTP area as well.2010 May 3PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100501). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 April 15The Chandra X-ray Center in conjunction with the the High Energy Astrophysics Division of the Smithsonian Astrophysical Observatory have set up a mirror of the HEASARC CALDB. The mirror is available from ftp://cda.cfa.harvard.edu/pub/arcftp/heasarc/caldb/.2010 April 15Some users are continuing to experience problems with remote access to the HEASARC CALDB with $CALDB=ftp://legacy.gsfc.nasa.gov. The nature of the problem is that the remote connection times out without returning any information. We are investigating this issue, but in the meantime, we recommend users set their CALDB environment variable to $CALDB=http://heasarc.gsfc.nasa.gov/FTP/caldb2010 April 7The Chandra CALDB at the HEASARC has been updated to CALDB 4.2.1. This is a patch release. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.2.1 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area as well.2010 April 5The Swift Caldb has been updated for the SC (update version 20100331). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 March 30There currently seems to be some problems with CALDB remote access. We're looking into the problem and hope to have it resolved shortly. In the meantime, remote access users should try setting their $CALDB environment variable as% setenv CALDB http://heasarc.gsfc.nasa.gov/FTP/caldb instead of ftp://legacy.gsfc.nasa.gov
2010 March 23The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20100323 ). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 March 22The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20100319 ). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 March 9PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100309). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 February 26The Swift Caldb has been updated for the SC (update version 20100226). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 February 20The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20100207 ) and the XIS (update version 20100123; release notes). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 February 19The Swift Caldb has been updated for the SC (update version 20100129) and the UVOTA (update version 20100129). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 February 15PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100212). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2010 January 06Minor update to the FERMI entry in the caldb.config file.2010 January 04PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20100104). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 December 16The Chandra CALDB at the HEASARC has been updated to CALDB 4.2.0. This is a major upgrade. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.2.0 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area as well.2009 December 07The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20091207 ). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 December 02PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20091202). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 December 01The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20091112). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 December 01The Chandra CALDB 3.5 tree at the HEASARC was updated to CALDB version 3.5.5 on November 24, 2009. This version is only to be used with CIAO 3.4. Users of CIAO 4 should used the Chandra CALDB 4 tree. See the CalDB 3.5.5 release notes, available at the CXC Caldb site, for details about the release.2009 December 01The Swift Caldb has been updated for the SC (update version 20091130) and the XRT (update version 20091130). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 November 02PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20091102). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 October 07The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20091007). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 October 07The Swift Caldb has been updated for the SC (update version 20090930) and the UVOT (update version 20090930). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 October 05PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20091005). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 September 25The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20090925). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 September 17The Chandra CALDB at the HEASARC has been updated to CALDB 4.1.4. Includes CIS T_GAIN updates for Epoch 38, May thru Jul 09, ACIS OBS_MODE=SECONDARY calibrations for DET_GAIN, T_GAIN, BADPIX, and CTI, ACIS -90C/-120C OAC engineering Obs_IDs from July-Aug 1999.. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.1.4 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area as well.2009 September 9The Swift Caldb has been updated for the SC (update version 20090831) and the UVOT (update version 20090831). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 September 9The Suzaku CALDB at the HEASARC has been updated for the the HXD (update version 20090902). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 September 02PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090901). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 August 28The Fermi GBM CALDB is now available from the HEASARC CALDB (update version V10). This release (received 20090512) consists of GBM leaf files used to construct the GBM responses. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 Aug 19PCA energy to channel file has been updated (update version 20090817). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 August 19The Suzaku CALDB at the HEASARC has been updated for the the HXD (update version 20090813) and the XIS (update version 20090813). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access. Note that because of the large size of the XIS caldb, it's been split into 3 tar files. Users should download all three tar files to their $CALDB directory, then untar them.2009 August 19The CALDB home page has been redesigned. It now includes a latest news feed.2009 August 18An entry for GLAST has been added to the HEASARC's caldb.config file for compatibility with the current Fermi LAT calibration files.2009 August 5The CALDB document "How to Install a Calibration Database" (CAL/GEN/94-004) has been updated. The update clarifies the fact that users might need to download multiple tar files for their analysis2009 Aug 4PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090804). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 August 5The Fermi mission has been added to the HEASARC's caldb.config file.2009 August 4The Fermi CALDB at the HEASARC has been released for the the LAT (update version 20090716). This is the CALDB which was also released with the Fermi Science Tools version ScienceTools-v9r15p2-headas-20090716. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 July 17The Suzaku CALDB at the HEASARC has been updated for the the HXD (update version 20090713) and the XIS (update version 20090713). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 July 11The Swift Caldb has been updated for the SC (update version 20090708) and the UVOT (update version 20090630). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 July 9The Chandra CALDB at the HEASARC has been updated to CALDB 4.1.3. Includes ACIS T_GAIN Epoch 37. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.1.3 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area as well.2009 July 6PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090701). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 June 7PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090604). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 June 3The Swift Caldb has been updated for the SC (update version 20090529 and the UVOT (update version 20090529). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 May 15The Suzaku CALDB at the HEASARC has been updated for the the HXD (update version 20090511. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 May 15The Swift Caldb has been updated for the XRT (update version 20090515) and the SC (update version 20090430. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 May 07The OGIP Spectral File Format document has been updated.2009 May 3PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090501). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 April 12PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090412). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 April 07The Swift Caldb has been updated for the XRT (update version 20090407). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 April 02The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20090402) and the HXD (update version 20090402. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 April 02The Swift Caldb has been updated for the sc (update version 20090331). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 April 02The Chandra CALDB 3.5 tree at the HEASARC has been updated to CALDB version 3.5.3. This version is only to be used with CIAO 3.4. Users of CIAO 4 should used the Chandra CALDB 4 tree. See the CalDB 3.5.3 release notes, available at the CXC Caldb site, for details about the release.2009 March 27The Chandra CALDB at the HEASARC has been updated to CALDB 4.1.2. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.1.2 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area.2009 March 16PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090313). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 March 10The Swift Caldb has been updated for the sc (update version 20090228) and the UVOT (update version 20090228). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 February 11The Swift Caldb has been updated for the sc (update version 20090128) and the BAT (update version 20090130). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 February 11The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20090203) and the HXD (update version 20090203. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 February 02PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090202). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 February 02The Chandra CALDB 3.5 tree at the HEASARC has been updated to CALDB version 3.5.2. This version is only to be used with CIAO 3.4. Users of CIAO 4 should used the Chandra CALDB 4 tree. See the CalDB 3.5.2 release notes, available at the CXC Caldb site, for details about the release.2009 January 23The Chandra CALDB at the HEASARC has been updated to CALDB 4.1.1 See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.1.1 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area.2009 January 15PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20090114). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 January 12The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20090109) and the HXD (update version 20090109. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 January 12The Swift Caldb has been updated for the sc (update version 20090112). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2009 January 09The Chandra CALDB 4.1 for use with CIAO 4.1, is now the default CALDB for Chandra. See the CalDB release notes, available at the CXC Caldb site, for details about the CALDB 4.1 release. Users can still access the Chandra CALDB 3.5 in the CALDB ftp area.2008 December 23The Swift Caldb has been updated for the xrt (20081215), and sc (20081217). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 December 18The Chandra CALDB 4.1 for use with CIAO 4.1, has been installed in the HEASARC Caldb. However, the default Chandra CALDB at the HEASARC is currently Caldb 3.5. See the CalDB release notes, available at the CXC Caldb site, for details about the release.2008 December 04The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20081110) and the HXD (update version 20081203. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 December 03The Swift Caldb has been updated for the bat (update version 20081026), xrt (20081010), uvota (20081028), and sc (20081125). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 December 03PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20081202). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 October 20PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20081020). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 October 20The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20081009) and the HXD (update version 20081009. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 October 10PCA breakdown history and SAA history files have been added to the XTE/PCA calibration database (update version 20080929). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 September 30A new clock correction file has been added to the Swift general spacecraft (SC) CALDB at the HEASARC (update version 20080929). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 September 10The Chandra CALDB at the HEASARC has been updated to CALDB version 3.5. See the CalDB 3.5 release notes, available at the CXC Caldb site, for details about the release.2008 September 08The Suzaku CALDB at the HEASARC has been updated for the the XIS (update version 20080905). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 August 25The Suzaku CALDB at the HEASARC has been updated for the the HXD (update version 20080811). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 August 25A new clock correction file has been added to the Swift general spacecraft (SC) CALDB at the HEASARC (update version 20080825). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 July 31A new clock correction file has been added to the Swift general spacecraft (SC) CALDB at the HEASARC (update version 20080730). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 July 16The leapsec_150708.fits file in the generic (GEN) CALDB at the HEASARC has been updated to include the leap second that will occur on December 31, 2008 (update version 20080716). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 July 14The Suzaku CALDB at the HEASARC has been updated for the the XRT (update version 20080709) the XIS (update version 20080709), and the HXD (update version 20080709) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 July 01The files pca_breakdown_hist.fits and pca_breakdown_hist.gti have been added to the RXTE PCA CALDB.2008 June 25The Swift general spacecraft (SC) CALDB at the HEASARC has been updated (update version 20080617). The Swift XRT CALDB at the HEASARC has also been updated (update version 20080509). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 June 16The Suzaku CALDB at the HEASARC has been updated for the the XRT (update version 20080616) and the XIS (update version 20080616). These are updates to the caldb.indx file only, and fix a bug in the effective areas in the previous (20080602) release. NOTE: XIS response files created with the previous release may be in error and should be re-created. Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 June 2The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20080602) the XRT (update version 20080602) and the XIS (update version 20080602) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 May 1The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data (update version 20080428) and the UVOTA (update version 20080428). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 April 1The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20080401) and the XIS (update version 20080401) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 March 31The Chandra CALDB at the HEASARC has been updated to CALDB version 3.4.3. See the CalDB 3.4.3 release notes, available at the CXC Caldb site, for details about the release.2008 March 28The Swift general spacecraft (SC) CALDB at the HEASARC has been updated (update version 20080326). The Swift BAT CALDB at the HEASARC has also been updated (update version 20080306). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 February 13The Swift general spacecraft (SC) CALDB at the HEASARC has been updated (update version 20080213). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 February 13A patch is now available for the gtcalf.f subroutine to allow it to handle properly remote access when the $CALDB begins with "http://", a problem discussed below. Instructions for downloading and using the patched software are available from the HEASOFT bug list page.2008 February 1The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20080201) and the XIS (update version 20080201) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 January 31The gtcalf.f subroutine doesn't return remote files if the $CALDB begins with "http://". This affects users who are using remote access to the HEASARC caldb. Routines that use gtcalf (like quzcif) will identify but not download data files if $CALDB is set to http://heasarc.gsfc.nasa.gov/FTP/caldb. Users can try defining $CALDB as $CALDB = ftp://legacy.gsfc.nasa.gov but may run into GSFC firewall problems if this definition is used). This will be fixed in a future update.2008 January 18The Swift general spacecraft (SC) CALDB at the HEASARC has been updated (update version 20080116). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2008 January 14The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20080113) and the XIS (update version 20080113) Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 December 19The Chandra CALDB has been updated to CALDB 3.4.2.2007 December 6The tarred versions of the ROSAT CALDB for the PSPC, HRI and XRT were updated. Previous versions only included the caldb.indx files as a file named "tarred.cif". The new versions include the caldb.indx files.2007 December 4The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20071201). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 December 4The Swift CALDB at the HEASARC has been updated for the XRT (update version 20071119). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 November 30The Swift CALDB at the HEASARC has been updated for the General Spacecraft (sc) data (update version 20071130). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 November 29The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20071122). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 November 06The Swift CALDB at the HEASARC has been updated for the UVOTA (update version 20071106). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 November 01The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20071101) and the XIS (update version 20071101). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 November 02The Swift CALDB at the HEASARC has been updated for the XRT (update version 20071101), the UVOTA (update version 20071102), and the general spacecraft data (update version 20071023). Downloads are available from the CALDB Supported Missions webpage or the FTP archive, or use the easy method: remote access.2007 October 16The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20071016) and the XIS (update version 20071016). Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2007 October 5The Chandra CALDB at the HEASARC has been updated to CALDB version 3.4.1. See the CalDB 3.4.1 release notes, available at the CXC Caldb site, for details about the release.2007 September 25The Swift CALDB at the HEASARC has been updated for the BAT (update version 20070924), and the general spacecraft data (update version 20070918). Downloads are available from the CALDB Supported Missions webpage or the FTP archive2007 September 17The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20070914). Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2007 August 07The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20070807). Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2007 July 31The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20070731). Downloads are available from the CALDB Supported Missions webpage or the FTP archive.2007 July 30The Swift CALDB at the HEASARC has been updated for the BAT (update version 20070713), the UVOTA (update version 20070711), the general spacecraft data (update version 20070724), and the XRT (update version 20070709).2007 July 13The Suzaku CALDB at the HEASARC has been updated for the HXD (update version 20070710).2007 June 27The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data (update version is 20070627). Downloads are available from the CALDB Supported Missions webpage.2007 June 27The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20070622), the XRT (update version 20070622), and the HXD (update version 20070627).2007 June 27The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data (update version is 20070516), for the BAT (update version 20070522), the UVOTA (update version 20070522) and the XRT (update version 20070531).2007 May 17The Chandra CALDB at the HEASARC has been updated to CALDB version 3.4.0. See the CalDB 3.4.0 release notes, available at the CXC Caldb site, for details.2007 May 17The generic (GEN) CALDB at the HEASARC has been updated to include cut-off rigidity files (update version 20070516).2007 May 17The Suzaku CALDB at the HEASARC has been updated for the XIS and HXD (update version 20070516).2007 May 17The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data. The update version is 20070516 for the SC data.2007 Apr 9The Suzaku CALDB at the HEASARC has been updated for the XIS and HXD (update version 20070409).2007 Mar 30The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) and XRT data. The update version is 20070330 for both the XRT and SC data.2007 March 8The Chandra CALDB at the HEASARC has been updated to CALDB version 3.3.0.1. This is a patch to an error in the ACIS branch index file of CalDB 3.3.0 which prevents to automatic selection of the CTI-correced FEF_PHA file used in the tool mkrmf. See the CalDB 3.3.0.1 release notes, available at the CXC Caldb site, for details.2007 Mar 6The Suzaku CALDB at the HEASARC has been updated for the XIS and HXD (update version 20070302).2007 Feb 27There's been a minor update to CAL/GEN/94-004: "How to Install a Calibration Database". FTP access and data transfer is now deprecated in favor of HTTP access and data transfer.2007 Feb 16The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data. The update version is 20070216.2007 Feb 6The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20070206).2007 Feb 2The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20070131) and HXD (update version 20070131).2007 Feb 2The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) data. The update version is 20070201.2007 January 12The Chandra CALDB at the HEASARC has been updated to CALDB version 3.3.02007 Jan 05The Swift CALDB at the HEASARC has been updated for the general spacecraft (SC) (update version 20070104) and the XRT (update version 20061219).2007 Jan 04The Suzaku CALDB at the HEASARC has been updated for the XIS (update version 20061226) and HXD (update version 20061226).2006 November 16The Swift CALDB has been updated for the BAT, general spacecraft (SC) data, and XRT, and the UVOTA .2006 November 16The Suzaku CALDB at the HEASARC has been updated for the XIS2006 November 14The Chandra CALDB at the HEASARC has been updated to CALDB version 3.2.42006 November 8There currently seems to be some problems with CALDB remote access. We're looking into the problem and hope to have it resolved shortly. In the meantime, remote access users should try setting their $CALDB environment variable tosetenv CALDB ftp://legacy.gsfc.nasa.gov instead of http://heasarc.gsfc.nasa.gov/FTP/caldb
2006 November 2Suzaku CALDB data have been updated for the XIS and HXD. See the Supported Missions web page for more information and to download the tar files.
2006 October 30Suzaku CALDB data have been updated for the XIS. See the Supported Missions web page for more information and to download the tar files.
2006 September 22The XTE CALDB has been updated for the HEXTE instrument. A new file, cpf/bkg/corr_ab_std.fits has been added. This file give coefficients used to predict the background in cluster A from the observed background in cluster B. See the Supported Missions web page for more information and to download the XTE/HEXTE tar files.2006 September 15The CAL_CNAM dictionary has been updated to include Swift and Suzaku CAL_CNAM values. PDF, LaTeX and HTML versions are available.
2006 September 13Suzaku CALDB data have been updated for the XIS. See the Supported Missions web page for more information and to download the tar files.
2006 September 13The Swift CALDB has been updated for the general spacecraft (SC) and UVOTA calibration data2006 August 30Suzaku CALDB data have been updated for the HXD, XIS and XRT. See the Supported Missions web page for more information and to download the tar files.
2006 August 21The document CAL/SW/95-002: "HEASARC CALDB Access Subroutines" has been updated. Versions in pdf and html are available from the CALDB Documents Page.2006 August 10The Chandra CALDB at the HEASARC has been updated to CALDB version 3.2.32006 August 7The Swift CALDB has been updated for the general spacecraft (SC) data2006 July 21The HEASARC Caldb is back online2006 July 18Due to network problems at GSFC, the HEASARC Caldb is currently not accessible outside of Goddard. We hope to have full access restored in a day. We regret any inconvenience. In the meantime you can access CALDB data from http://heasarc.gsfc.nasa.gov/FTP/caldb/. See " Accessing the HEASARC CALDB Remotely" for information on remote access.2006 June 08The Swift CALDB has been updated for the general spacecraft (SC) data.2006 June 06The Suzaku CALDB has been updated for the XIS.2006 May 31The Swift CALDB has been updated for the general spacecraft (SC) data and the BAT.2006 May 17Suzaku CALDB data now available from the HEASARC CALDB. See the Supported Missions web page for more information and to download the tar files.
2006 May 03Important SWIFT Caldb update for the UVOTA.The Swift CALDB has been updated for the general spacecraft (SC) data and the UVOTA. This is a general re-build of the UVOTA caldb; users of the UVOTA caldb should completely remove or delete the current UVOTA caldb (the 20051118 version) before untarring the update tar file. 2006 April 24The Swift CALDB has been updated for the general spacecraft (SC) data and the XRT.2006 April 04The Swift CALDB has been updated for the general spacecraft (SC) data.2006 Mar 17The Swift CALDB has been updated for the general spacecraft (SC) data.2006 Feb 28the HEXTE and PCA tar files have been re-created; the previous versions did not include the caldb.indx files needed for access.2006 Feb 17A draft update to OGIP/93-013, "Standard Strings for Mission, Instrument, Filter, Detector & Grating Names for OGIP FITS files" is available (pdf, html)2006 Feb 14The Swift CALDB has been updated for the general spacecraft (SC) data.2006 Feb 08The document "How to Manage a Calibration Database" (cal/gen/92-015; pdf, html) has been updated to explicitly show how UDCIF is sensitive to the order of the CBD keywords when conflict checking.2006 Jan 23Cal/SW/2006-001, "Length Limits In Calibration Database Software and Files", has been updated.2006 Jan 19Cal/SW/2006-001, "Length Limits In Calibration Database Software and Files", has been released.2006 Jan 17The Swift CALDB has been updated for the general spacecraft (SC) data.2006 Jan 04The Swift CALDB has been updated for the XRT.2005 Dec 13The Swift CALDB has been updated for the general spacecraft (SC) data.2005 Dec 08The document "How to Install a Calibration Database" (cal/gen/94-004; pdf, html) has been updated.2005 Dec 01The Swift CALDB has been updated for the XRT. Please see the Swift entry on the Supported Mission Page for more information2005 Nov 28The Swift CALDB has been updated for all instruments. Please see the Swift entry on the Supported Mission Page for more information2005 Nov 28The document "The Organization of the HEASARC CALDB" (cal/gen/93-006; pdf, html) has been updated to reflect the current state and organization of the HEASARC's CALDB. The previous version is still available.2005 Nov 22The document "The HEASARC Calibration Database (brief overview)" (cal/gen/91-001; pdf, html) has been updated to reflect the current state and organization of the HEASARC's CALDB. The previous version is still available.2005 Nov 21The document "How to Manage a Calibration Database" (cal/gen/92-015; pdf, html) has been re-written to provide caldb managers a better understanding of the workings of the udcif tool, and better understanding of how conflicts are identified and how they can be resolved. The previous version is still available.2005 Oct 20The spacecraft clock correction table used by Swift has been updated in the HEASARC CALDB.2005 Oct 07The Swift CALDB has been updated, for all instruments.2005 Sep 08The spacecraft clock correction table used by Swift has been updated in the HEASARC CALDB.2005 Sep 01
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