The HEASARC Calibration Database

The HEASARC's calibration database (CALDB) system stores and indexes datasets associated with the calibration of high energy astronomical instrumentation. The system can be accessed by users and software alike to determine which calibration datasets are available, and which should be used for data reduction and analysis. (Read more...)

User Information Supported Missions: Missions and Instruments which use the HEASARC CALDB Find out who's using the CALDB Remote Access to the HEASARC CALDB The easiest way to access calibration data from the HEASARC CALDB Documentation Library CALDB file format definitions, user guides and more. For quick reference, a table listing the CALDB Header Keywords, with brief definitions, is available. Cross-Calibration Information This page contains documents regarding efforts at cross-calibration of X-ray and Gamma-ray instruments. CALDB Software Find out what HEASOFT software interacts with the CALDB. Installing, Managing or Creating your own CALDB Download the HEASARC CALDB and update it, or make your own CALDB CALDB Personnel Who's who at the CALDB (and who was who) Need Help? Take a look at the HEASARC Frequently Asked Questions, or use the Feedback page to ask a question. CALDB Mirror A mirror of the HEASARC CALDB is available at ftp://cda.cfa.harvard.edu/pub/arcftp/heasarc/caldb/

Latest News Swift CALDB Data updated (09 Feb 2012) The Swift Caldb has been updated for the SC (update version 20120206)... General CALDB updated (27 Jan 2012) Update 27 Jan 2012: added new leap second (01 July 2012) into leapsec_010712.fits file. FINAL Update to the RXTE CALDB (11 Jan 2012) The FINAL PCA breakdown history and saa history files have been updated (update version 20120110) ... Chandra CALDB 4.4.7 installed at the HEASARC (16 Dec 2011) CalDB 4.4.7 is now installed and available at the HEASARC. Note that this release requires CIAO 4.3... +RSS... [What???] +Caldb News Archive +Caldb Mail Archives