The High Energy Astrophysics Science Archive Research Center (HEASARC) is the
primary archive for NASA's (and other space agencies') missions dealing with
electromagnetic radiation from
extremely energetic 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's
holdings contain data
obtained by NASA's high-energy astronomy missions observing in the
extreme-ultraviolet (EUV), X-ray, and gamma-ray bands, as well as data from
missions, balloons, and ground-based facilities that have studied the relic
cosmic microwave background (CMB).
- Swift CALDB Data updated (30 Jul 2014)
The Swift Caldb has been updated for the SC (update version 20140718) and the XRT (update version 20140709)...
- NASA's DXL Rocket Settles Interstellar Debate (29 Jul 2014)
New findings (Galeazzi et al. 2014, Nature, in press; Snowden et
al. 2014, ApJL, 791, L14) from the DXL (Diffuse X-ray emission from the Local
Galaxy) mission have resolved a decades-old puzzle about a fog of low-energy
X-rays observed over the entire sky. Astronomers have now confirmed the
long-held suspicion that much of this glow stems from a region of
million-degree interstellar plasma known as the local hot bubble.
- NuSTAR CALDB Update (25 Jul 2014)
The NuSTAR CALibration DataBase was updated on July 25, 2014 (CALDB version 20140715). This updates the NuSTAR clock correction file to version 37, valid up to 2014-07-15.
- PIMMS updated to Version 4.7a (25 Jul 2014)
Version 4.7a contains an updated post-launch effective area curve file for NuSTAR...
- Viewing tool updated (22 Jul 2014)
The Swift pole constraints have been updated in the
Viewing tool. The revised coefficients extrapolate the trend for the
next year. The web interface has also been enhanced with improved error
- NASA's Chandra X-ray Observatory Celebrates 15th Anniversary (22 Jul 2014)
Fifteen years ago, the Chandra X-ray Observatory was launched
into space aboard the Space Shuttle Columbia. Since its deployment on July 23,
1999, Chandra has helped revolutionize our understanding of the universe
through its unrivaled X-ray vision. To celebrate its 15th anniversary,
four new images of supernova remnants, the Crab Nebula, Tycho, G292.0+1.8,
and 3C58 , are being released.
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