SkyView - An easy to use
tool that returns digital images of the sky in any waveband from radio
through to gamma rays
VAO DataScope - Query catalogs and services from
the HEASARC and from around the world using a single form
Literature - Links to literature
search engines and online versions of refereed journals and science
New and Updated Databases
status of all data sets available from the HEASARC
cross-reference status of HEASARC data sets with ADS-listed
Science results that used HEASARC
The HEASARC Cookbook - how to find,
download, and analyze data
Open Archive Policy - find
out how you can integrate HEASARC resources into your Web site
News Article: Pulsar's Unusual Behavior May Help Scientists Understand Their Fundamental Structure (30 Jun 2015)
Using data from Swift and RXTE, a team led by Frank Marshall of
NASA/GSFC observed that the pulsar B0540-69 radically changed the rate at
which its rotation rate slowed after 12 years of a steady decline. There is
not enough data yet to classify the pulsar as intermittent, but the article
notes that the behavior of this object may help solve the fundamental
questions about what is inside them and why they shine at all.
Press Release: NASA Simulation Suggests Black Holes May Make Ideal Dark Matter Labs (28 Jun 2015)
A new computer
simulation by Jeremy Schnittman of NASA/GSFC shows that
dark matter particles colliding in the extreme gravity of a black hole can
produce strong, potentially observable gamma rays. Detecting this emission
would provide a new tool for understanding both black holes and the nature
of dark matter, the elusive substance accounting for most of the mass of the
Stage-I Selections for the Fermi Cycle-8 GI Program Completed (27 Jun 2015)
The stage-I selections for the Fermi Cycle-8 Guest Investigator
Program have now been completed. The list is available here.
The selection letters and peer evaluations will be distributed in the near
Fermi LAT Pass 8 data now available (25 Jun 2015)
Fermi LAT Pass 8 data is now available from the Fermi Science Support Center's LAT data servers. The Pass 8 LAT data includes a number of improvements over the reprocessed Pass 7 data. Improvements include a better PSF, improved energy measurement, and increased acceptance across the whole energy band. As of the Pass 8 release date (June 24, 2015), reprocessed Pass 7 data is no longer available from the LAT data servers.
Details can be found here.
Fermi Science Analysis Environment Updated for LAT Pass 8 Data (25 Jun 2015)
The FSSC is pleased to announce the availability of a new version of the Fermi Science Tools, v10r0p5, released on June 24, 2015. This version includes support for pass 8 processed data and must be used in order to analyze pass 8 data.
Details and software download can be found here.
NuSTAR CALDB Update (22 Jun 2015)
The NuSTAR CALibration DataBase was updated on June 22, 2015 (CALDB version 20150612). This updates the NuSTAR clock correction file to version 49 (good through June 12, 2015).
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