The High Energy Astrophysics Science Archive Research Center (HEASARC) is the primary archive for NASA's (and other space agencies') missions studying electromagnetic radiation from extremely energetic cosmic phenomena ranging from black holes to the Big Bang. Since its merger with the Legacy Archive for Microwave Background Data Analysis (LAMBDA) in 2008, the HEASARC archive contains data obtained by high-energy astronomy missions observing in the extreme-ultraviolet (EUV), X-ray, and gamma-ray bands, as well as data from space missions, balloons, and ground-based facilities that have studied the relic cosmic microwave background (CMB) radiation in the sub-mm, mm and cm bands.

The HEASARC is a member of the NASA Astronomical Virtual Observatories (NAVO) where we work with other NASA archives to ensure comprehensive and consistent VO access to NASA mission datasets. Users may now query the HEASARC's catalogs using VO-enabled services and specialized tools. This page describes how to get to the HEASARC VO-enabled services and provides information on other HEASARC VO activities.

Latest News
  • xTime tool updated (14 Jun 2018)
    Added support for MAXI and Hitomi and restored support for Suzaku.
  • XSPEC 12.10.0d Patch Released (14 Jun 2018)
    Fixes an issue with the zxipcf multiplicative model.
  • Ginga ASM Source Lightcurves (12 Jun 2018)
    This catalog, which lists the sources observed by the Ginga All-Sky Monitor from 1987 to 1991 and provides access to FITS lightcurves generated by ISAS/JAXA and quicklook GIF plots generated by the HEASARC, is now available in Browse and Xamin.
  • Registration for the "X-Ray Skies with High-Res Eyes: Imaging the Cosmos with AXIS" Workshop is Now Open (12 Jun 2018)
    The "X-Ray Skies with High-Res Eyes" workshop will be held August 6 and 7 at the Carnegie Institution for Science in downtown Washington, DC. The purpose of this meeting is to explore the cutting edge astrophysics enabled by a high angular resolution X-ray observatory in the next decade, present the AXIS science case to the community, and solicit feedback.
  • NASA's Fermi Satellite Celebrates 10 Years of Discoveries (11 Jun 2018)
    On June 11, 2018, NASA's Fermi Gamma-ray Space Telescope celebrates a decade of using gamma rays, the highest-energy form of light in the cosmos, to study black holes, neutron stars, and other extreme cosmic objects and events.
  • NICER XTI CALDB Updated to Version 20180605 (07 Jun 2018)
    The NICER XTI caldb has been updated to version 20180605. Please make sure you're using the most recent version of the caldb.config file in order to access the NICER XTI CALDB data, and that your CALDB environment variable is set to to remotely access the HEASARC NICER CALDB.

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Last modified: Wednesday, 06-Jun-2018 06:56:58 EDT