Fermi Calibration Files

This page contains a summary of the Fermi Calibration files which are currently in the Fermi Calibration Database (CALDB). For each instrument, each table links to the latest CALDB releases, from where individual files can be downloaded as well as the CALDB index file. The tables also link to the current CALDB tar files which users can install on their local machines. Note: The tar files for each of the instruments already include the Fermi common calibration products.
The Fermi CALDB is released along with the Fermi Science Analysis Environment (SAE). Instructions for installing the CALDB for other missions are available from the CALDB Installation page. Note that the easiest way to access calibration data for most HEASARC-supported missions is via remote access.
  • History of Fermi CALDB releases

    LAT Calibration Products

    Item Date Comments
    Current CalDB Release 2013-04-24 (SAE release v9r31p1) release notes

    GBM Calibration Products

    Item Date Comments
    Current CalDB Release 2009-05-12 release notes

    Fermi LAT instrument performance
    Fermi GBM instrument performance
    Data Analysis Caveats

    Useful Documents:

    For the LAT

  • "The Fermi Large Area Telescope on Orbit: Event Classification, Instrument Response Functions, and Calibration" (Ackermann et al. 2012)
  • "Fermi-LAT data reprocessed with updated calibration constants" (Bregeon et al. 2013)
  • "The on-orbit calibration of the Fermi Large Area Telescope" (Abdo et al., 2009)

    For the GBM

  • "Background estimation in a wide-field background-limited instrument such as Fermi GBM" (Fitzpatrick et al. 2012)
  • "Ground-based calibration and characterization of the Fermi gamma-ray burst monitor detectors" (Bissaldi et al. 2009)
  • "Fermi GBM: Main detector-level calibration results" (Bissaldi et al., 2009)
  • "Calibration of the GLAST Burst Monitor detectors" von Kienlin et al., 2007
  • " Understanding The GLAST Burst Monitor Detector Calibration: A Detailed Simulation Of The Calibration Including The Environment" Steinle et al. 2007
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    Last modified: Thursday, 17-Apr-2014 13:26:39 EDT