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
  • HEASoft 6.28 Released (14 Aug 2020)
    Released August 14, 2020. This release includes updates to Swift and NuSTARDAS analysis software and other improvements and bug fixes. NuSTARDAS users with local installations of the NuSTAR CALDB should update to the latest NuSTAR CALDB (CALDB version 20200813).
  • NuSTAR Caldb Update (13 Aug 2020)
    The NuSTAR FPM caldb has been updated to version 20200813. This release includes a new clock correction file, v108 as well as temperature dependent ARFs for FPMA.
  • NuSTAR Caldb Update (11 Aug 2020)
    The NuSTAR FPM caldb has been updated to version 20200811. This release includes a new clock correction file, v107.
  • Swift CALDB Data updated (10 Aug 2020)
    The Swift XRT and UVOTA calibration data have been updated (XRT CALDB update version 20200724; UVOTA CALDB update version 20190101).
  • SkyView v3.5.3 updates and bug fixes (27 Jul 2020)
    SkyView has been updated to v3.5.3 today. This version has changes to the following surveys: GLEAM now includes the Galactic plane data as well as the Magellanic Clouds; and the UKIDSS survey is now using DR11 (previously DR8) and including ... Continue reading ...
  • NuSTAR Caldb Update (27 Jul 2020)
    The NuSTAR FPM caldb has been updated to version 20200726. This release includes a new clock correction file, v106, using a more accurate estimate of the NuSTAR clock drift.

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Last modified: Tuesday, 26-May-2020 14:54:42 EDT