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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.
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Latest News
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- NuSTAR Caldb Update (05 Jan 2022)
The NuSTAR FPM caldb has been updated to version 20220105. This release includes a new clock correction file, v129. Please see the release notes for more details.
- NuSTAR Caldb Update (21 Dec 2021)
The NuSTAR FPM caldb has been updated to version 20211221. This release includes a new clock correction file, v129. Please see the release notes for more details.
- The Million Quasars Catalog (14 Dec 2021)
The latest version (v7.4, 12 December 2021) of the
Million Quasars
(MILLIQUAS) Catalog (Eric Flesch 2009 - 2017)
containing a lot more than one million (1,115,590 to be exact) likely quasars
is now available in both Browse and
Xamin.
- Fermi LAT Lightcurve Repository Now Available (14 Dec 2021)
The Fermi Large Area Telescope (LAT) Collaboration is pleased to announce a new database of multi-cadence light curves for over 1500 variable gamma-ray sources in the 10-year Fermi LAT point source catalog (4FGL-DR2, Ballet et al. 2020). The new Light Curve Repository (LCR) contains flux calibrated light curves on 3 day, 1 week, and 1 month timescales covering the entire Fermi mission duration, consisting of over 3.7 million individual time bins. The LCR will be continually updated as new data becomes available
- NASA's Imaging X-ray Polarimetry Explorer (IXPE) Mission Has
Launched Successfully! (10 Dec 2021)
The IXPE observatory is NASA's first mission dedicated to
measuring the polarization of X-rays from the most extreme and
mysterious objects in the universe - supernova remnants, supermassive
black holes, and dozens of other high-energy objects. IXPE launched
successfully at 1AM on Dec 9, on a SpaceX Falcon 9 rocket from NASA's
Kennedy Space Center in Florida. The HEASARC will archive IXPE
products and catalogs.
- XMMAO (XMM-Newton Accepted Targets) Table (10 Dec 2021)
The latest version of the table of accepted XMM-Newton targets,
updated to include AO-21 results, is now available in Browse and
Xamin.
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HEASARC News
Upcoming Dates & Deadlines
Upcoming Astronomy Meetings
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