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

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? CALDB Mirror
Latest News

  • NuSTAR CALDB Update (25 Aug 2014)
    The NuSTAR CALibration DataBase was updated on July 25, 2014 (CALDB version 20140814). This updates the NuSTAR clock correction file to version 38, valid up to 2014-04-14.
  • Swift CALDB Data updated (30 Jul 2014)
    The Swift Caldb has been updated for the SC (update version 20140718) and the XRT (update version 20140709)...
  • NuSTAR CALDB Update (25 Jul 2014)
    The NuSTAR CALibration DataBase was updated on July 25, 2014 (CALDB version 20140715). This updates the NuSTAR clock correction file to version 37, valid up to 2014-07-15.
  • Chandra CALDB 4.6.2 installed at the HEASARC (14 Jul 2014)
    CalDB 4.6.2 is now installed and available at the HEASARC. Chandra 4.6.2 was released on July 9, 2014. This release 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. Note that this release requires CIAO 4.3 or higher...
  • +RSS... [What???]

    +Caldb News Archive

    +Caldb Mail Archives

    Page author: Michael F. Corcoran
    Last updated: Thursday, 04-Nov-2010 12:33:01 EDT.

    HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public

    Last modified: Thursday, 04-Nov-2010 12:33:01 EDT