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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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- The Swift-XRT Living Point Source Catalog (LSXPS) Released (11 Jun 2026)
This table contains the LSXPS catalog of detections by the Swift
X-ray Telescope (XRT) used in Photon Counting (PC) mode in the 0.3-10 keV
energy range. Under normal operations, this is updated in near-real time,
and transient searches are carried out on each dataset as it is received.
This catalog is now available in both Browse
and Xamin.
- AMS02SPEC - AMS-02 Spectral Results Catalog Released (11 Jun 2026)
The AMS02SPEC database table records the spectral results
obtained with the Alpha Magnetic Spectrometer experiment on the International
Space Station (AMS-02). It is available in both
Browse
and Xamin.
- XMMSTACKOB: 5XMM-DR15 XMM-Newton Serendipitous Source Catalog: 5XMM-DR15 Stacked Observations Data Catalog Released (10 Jun 2026)
The XMM-Newton Serendipitous Source Catalog: 5XMM-DR15 Stacked Observations Data provides the list of stacks used for the new 5XMM-DR15 catalog (XMMSTACK). This catalog is
now available in both Browse
and Xamin.
- XMMSTACK and XMMSSC-XMM-Newton Serendipitous Source Catalog: 5XMM-DR15 Catalogs Released (10 Jun 2026)
The XMM-Newton Serendipitous Source Catalog: 5XMM-DR15 Full (Stacked) Catalog (XMMSTACK) offers a new version of the stacked catalog built
from 14,616 5XMM-DR15 observations, including also non-overlapping observations. XMMSTACK is a complete version of the catalog and has one row per source, followed by subsequent rows with information stemming from each detection or upper limit and thus has 3,397,248 rows. The catalog contains 818,656 unique sources, which are provided in the associated table of source detections, XMM-Newton Serendipitous Source Catalog (XMMSSC). Both tables are
now available in both Browse
and Xamin.
- XMM-Newton Slew Survey Source Catalogs (Version 3.1) (10 Jun 2026)
The updated versions of the XMM-Newton Slew Survey "Clean"
and
"Full"
Source Catalogs containing 52,420 and 121,662 X-ray sources, respectively,
detected during spacecraft slews are now available in Browse and
Xamin.
- NuSTAR Caldb Update (09 Jun 2026)
The NuSTAR FPM caldb was updated to version 20260608. This release includes a new clock correction file, v229, using a new temperature model. Please see the release notes for more details.
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HEASARC News
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