The HEASARC Calibration Database

Caldb manager: Dr. M. F. Corcoran

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

CALDB Location:

Supported Missions: Missions and Instruments which use the HEASARC CALDB

    Find out who's using the CALDB

Download and Installation Instructions

    Get your own copy of the CALDB for any supported mission

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?

CALDB Mirror

The International Astronomical Consortium for High Energy Calibration

    The IACHEC aims to provide standards for high energy calibration and supervise cross calibration between different missions
Latest News

  • Hitomi CALDB Data Updated (13 Jan 2017)
    The Hitomi CALDB released to the HEASARC on December 22, 2016 was incomplete. The complete Hitomi CALDB has been re-released. This release includes data for the HXI (version 20161122), General Mission (Gen) data (version 20161122), the SXI (version 20161122) and the SXS (version 20161122)
  • Swift CALDB Data updated (11 Jan 2017)
    A new Swift clock correction file has been added to the Swift SC Caldb (CALDB update version 20170110)
  • NuSTAR CALDB Tar File Updated (27 Dec 2016)
    The 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_20161207a.tar.gz or goodfiles_nustar_fpm_clockcor_20161207a.tar.gz for the tar file that only contains the updated clock correction file
  • Hitomi CALDB Data Updated (22 Dec 2016)
    The Hitomi CALDB has been released for the HXI (version 20161122), General Mission (Gen) data (version 20161122), the SXI (version 20161122) and the SXS (version 20161122)...
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    Page author: Michael F. Corcoran
    Last updated: Tuesday, 20-May-2014 15:10:44 EDT.

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    Last modified: Tuesday, 20-May-2014 15:10:44 EDT