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NuSTAR Stares Deep into Hidden Lairs of Black Holes (06 Jul 2015)
et al. (2015, ApJ, in press) have used NuSTAR and its
hard X-ray capability to observe
nine galaxies where supermassive black holes (SMBHs) were thought to be
extremely active but largely obscured, at least in the soft X-ray band. Five of
these candidates were found to contain hidden SMBHs, feasting on surrounding
material. This study supports the theory that potentially millions
of SMBHs exist in the universe hidden from view at most wavelengths.
Swift AGN & Cluster Survey (SACS) Total-Band (0.2-10 keV) Point
Source Catalog (06 Jul 2015)
This catalog of 22,563 Swift XRT point sources which were detected
in the total X-ray band (0.2-10 keV) in 125 sq. degrees of serendipitous fields
(from Dai et al. 2015, ApJS, 218, 8) is now available in
Browse and Xamin, along with the catalogs of
17,748 soft-band (0.5-2.0 keV) point sources,
10,060 hard-band (2-10 keV) point sources and
442 soft-band (0.5-2.0 keV) extended sources which were
presented in the same paper.
NICER Blanketeer Featured on CBSnews (06 Jul 2015)
Paula Cain, who makes the blanket which will protect NICER, was featured on CBSnews.com.
NICER Project Systems Engineer Featured on nasa.gov (06 Jul 2015)
Charles Baker, the Project Systems Engineer for NICER, was interviewed on nasa.gov.
NASA News Feature: Astronomers Predict Fireworks from A Rare Stellar Encounter in 2018 (04 Jul 2015)
Astronomers are gearing up for high-energy fireworks coming in
early 2018, when PSR J2032+4127, a stellar remnant the size of a city, 'meets'
its companion, MT91 213, one of the brightest stars in our galaxy. The cosmic
light show will occur when this pulsar discovered by Fermi reaches periastron
in its orbit about its massive companion.
Scientists plan a global campaign to watch the event, from radio wavelengths to
the highest-energy gamma rays detectable.
NASA News Feature: NASA Missions Monitor a Waking Black Hole (02 Jul 2015)
NASA's Swift satellite detected a rising tide of high-energy
X-rays from the constellation Cygnus on June 15, just before 2:32 p.m. EDT.
About 10 minutes later, the Japanese experiment on the ISS called the Monitor
of All-sky X-ray Image (MAXI) also picked up the flare. The outburst came from
V404 Cygni, a binary system located about 8,000 light-years away that contains
a black hole. Every couple of decades the black hole fires up in an outburst
of high-energy light, becoming an X-ray nova.
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