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
  • Reentry of the Suzaku Satellite (11 Jan 2025)
    JAXA has announced that the Suzaku satellite has re-entered the Earth's on 2025 January 5.
  • NICER AO7 Selected Proposals and Targets (11 Jan 2025)
    proposal selection process for Cycle 7 of the General Observer program is complete, and the lists of selected proposals and approved targets are available
  • EVA to repair NICER Scheduled for January 16 (10 Jan 2025)
    Astronauts onboard the ISS will perform an EVA planned for January 16 during which the light leak in NICER's X-ray Timing Instrument will be repaired by applying patches to NICER's sunshades above damaged areas of the thermal films. These patches will reduce optical light and allow NICER's X-ray detectors to perform as intended during orbit day. The repair is scheduled to begin around 9:40am EST, and last about an hour. Please see the description of the EVA on NASA's science website for more details.
  • NuSTAR Caldb Update (07 Jan 2025)
    The NuSTAR FPM caldb was updated to version 20250107. This release includes a new clock correction file, v196. Please see the release notes for more details.
  • Chandra CALDB 4.11.6 installed at the HEASARC (18 Dec 2024)
    The Chandra CalDB 4.11.6 is now installed in and available from the HEASARC CALDB. Chandra 4.11.6 was released by the CXC on December 17, 2024.
  • NuSTAR Caldb Update (18 Dec 2024)
    The NuSTAR FPM caldb was updated to version 20241216. This release includes a new clock correction file, v195. Please see the release notes for more details.

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Last modified: Wednesday, 08-Sep-2021 18:38:35 EDT

HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.