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.


HEASARC
Picture of the Week

This Week's High-Energy Picture
APOD: Astronomy Picture
of the Day

Today's APOD Image

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Enter positions, times, missions, etc to query the HEASARC database.

Try ROSAT 3c273 1d to get ROSAT data within one degree of 3C273 or chanmaster bii>80 status='archived' to get archived Chandra observation data near the north galactic pole.

Note: For more than one target or when using any qualifier other than a mission, use quotes around targets that have embedded white space(e.g., 'ar lac').

More information and examples


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Latest News
  • Hitomi Master Observations Table (07 Dec 2017)
    The table of all Hitomi observations that were completed during its period of operations is now available in Browse and Xamin.
  • The Amazing Year 2017 in High-Energy Astrophysics (07 Dec 2017)
    2017 was a banner year for our field. We list here some of the important events in high-energy astronomy (X-ray astronomy, gamma-ray astronomy, gravitational wave and cosmic-ray astronomy) which occurred and/or were announced in this last year. Let's see if 2018 can be even better!
  • Winners of the 2018 Breakthrough Prize in Fundmental Physics Have Been Announced (05 Dec 2017)
    Congratulations to Charles L. Bennett, Gary Hinshaw, Norman Jarosik, Lyman Page Jr., David N. Spergel, and the members of the WMAP Science Team for winning this prestigious award, the "Oscar of Science". The HEASARC is particularly happy since several current members of its LAMBDA component (Mike Greason, Nils Odegard and Janet Weiland) and its one-time director, Gary Hinshaw, were so honored.
  • NuSTAR CALDB Update (04 Dec 2017)
    The NuSTAR CALibration DataBase was updated on December 4, 2017 (CALDB version 20171204). This updates the NuSTAR clock correction file to version 76, valid through 2017-12-04.
  • XSPEC 12.9.1s Patch Released (04 Dec 2017)
    Adds a new class member called Fit.nullhy to PyXspec. This provides access to the null hypothesis probability reported after chi-square fits.
  • NICER overview published in Nature Astronomy (01 Dec 2017)
    "Searching for a pulse", an overview of NICER by K. Gendreau and Z. Arzoumanian, has been published by Nature Astronomy (Nature Astronomy 1, 895, 2017).

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Last modified: Sunday, 10-Dec-2017 00:30:04 EST