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IXPE Calibration Files

This page contains a summary of the IXPE Calibration files which are currently in the Calibration Database (CALDB). The table links to the latest CALDB tar file and users can download it to install the IXPE CALDB locally.

Instructions for installing the CALDB for IXPE or other missions are available from the CALDB Installation page. The easiest way to access calibration data for IXPE or other HEASARC-supported missions is via remote access, which allows direct access the current HEASARC CALDB without having to install any calibration data locally.

Caldb access for IXPE requires the latest version of the caldb.config file (updated 20220314 or later) which is available at https://heasarc.gsfc.nasa.gov/FTP/caldb/software/tools. Please replace your current $CALDBCONFIG file with this updated version.

Latest IXPE CalibrationVersionRelease Date Tar file
IXPE XRT 20240726 2024-08-20 CALDB tar file
IXPE GPD 20240125 2024-02-28 CALDB tar file

HISTORY of IXPE CALDB releases

Latest News

  • Updates to IXPE tools (04 Sep 2024)
    HEASoft 6.34 has been released and contains updates to the IXPE software tools. This release also includes a new tool for flagging background events. Please see the release notes for more details. Downloads are available from the HEASoft page. IXPE users are recommended to use the latest version of HEASoft for their analysis.
  • IXPE Caldb Updated (20 Aug 2024)
    The IXPE Caldb has been updated for the XRT (version 20240726). Please see the release notes for details. Downloads are available from the IXPE Calibration page. Users can also access the HEASARC IXPE caldb via remote access.
  • IXPE Quick Start Guide Updated (12 Mar 2024)
    The IXPE Quick Start guide has been updated to include the use of the ixpecalcarf tool to generate observation specific response files.
  • IXPE Caldb Updated (28 Feb 2024)
    The IXPE Caldb has been updated for the XRT (version 20231201) and the GPD (version 20240125). Please see the release notes for details. Downloads are available from the IXPE Calibration page. Users can also access the HEASARC IXPE caldb via remote access.
  • IXPE Viewing Tool Updated (28 Feb 2024)
    The Sun angle constraint has been updated in the Viewing tool for the IXPE mission.
    • » More News