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
  • Chandra CALDB 4.9.3 installed at the HEASARC (16 Oct 2020)
    The Chandra CalDB 4.9.3 is now installed and available at the HEASARC. Chandra 4.9.3 was released by the CXC on October 16, 2020. Note that CALDB 4.9.3 is compatible with CIAO 4.12 and later versions only.
  • INTEGRAL Operations Approved Through 2022 (15 Oct 2020)
    ESA's Science Programme Committee (SPC) has confirmed the continued operation of INTEGRAL from January 1, 2021 through December 31, 2022. The decision was taken during the SPC meeting held October 1, 2020 following a comprehensive review.
  • NICER and NuSTAR observations of the Blazar BL Lac (15 Oct 2020)
    NICER and NuSTAR obtained director's discretionary observations of the blazar BL Lac after its historical optical-to-gamma ray maximum. The NICER & NuSTAR spectrum can be fit with a broken power law, and these observations confirm the active state of the source.
  • Swift CALDB updated (10 Oct 2020)
    The Swift Caldb has been updated for the UVOTA (update version 20201008). This update fixes a problem with caldb.indx20200925...
  • Update: SkyView hardware upgrade postponed (09 Oct 2020)
    Update: The SkyView hardware upgrade has been postponed to Monday, October 19, 2020 at 10:30AM ET. At that time SkyView will be unavailable for approximately one hour and 15 minutes. We encountered some technical difficulties in transitioning to a new storage system ... Continue reading ...
  • Beta Release of heasoftpy (06 Oct 2020)
    heasoftpy is a set of python wrappers to the HEASoft tools. heasoftpy allows users to more easily integrate HEASoft tools into a python workflow. This is the first (beta) release.

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