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HEASARC in the VO IVOA
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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
  • Update to the NuSTAR FAQ for bright sources (2 Feb 2023)
    The NuSTAR FAQ entry "What do I do if I have a bright source?" has been updated to include additional guidance on the usage of the statusexpr keyword in NuSTARDAS.
  • NuSTAR Caldb Update (24 Jan 2023)
    The NuSTAR FPM caldb has been updated to version 20230124. This release includes a new clock correction file, v152. Please see the release notes for more details.
  • Swift SC CALDB updated (14 Jan 2023)
    The Swift SC caldb has been updated to version 20230109 ...
  • Viewing tool updated (09 Jan 2023)
    The Swift pole constraints have been updated in the Viewing tool. The revised coefficients extrapolate the trend for the next two years.
  • NuSTAR Caldb Update (29 Dec 2022)
    The NuSTAR FPM caldb has been updated to version 20221229. This release includes a new clock correction file, v151. Please see the release notes for more details.
  • NICER Cycle 5 Accepted Proposals and Targets Now Available (24 Dec 2022)
    The NICER mission is pleased to announce that the proposal selection process for Cycle 5 of the Guest Observer program is complete, with observations scheduled to begin no later than March 1, 2023. Documents listing selected proposals and approved targets have been posted to the HEASARC's NICER Proposals Page.

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