Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012atel.3966....1k&link_type=abstract
The Astronomer's Telegram, #3966
Astronomy and Astrophysics
Astronomy
X-Ray, Binary, Black Hole, Neutron Star, Transient
Scientific paper
The Swift/BAT hard X-ray transient monitor reports a rebrightening of the black hole candidate MAXI J1836-194 (Negoro et al, ATel #3611) in the 15-50 keV band. The source has increased in intensity from an undetectable level of approximately 0.006 cts/cm^2/sec (~10 mCrab) on 2012 March 10 to a level of 0.0033 ± 0.001 (~15 mCrab) on 2012 March 14 (MJD 56000). It has been detectable at roughly the same level since March 12, so it is not clear whether it is continuing to brighten This source was discovered in August 2011 (Negoro et al, ATel #3611) and reached a peak rate in the BAT transient monitor of 0.016 ± 0.001 cts/cm^2/sec (~75 mCrab) on 2011 Sep.
Barthelmy Scott D.
Baumgartner Wayne
Cummings Jay
Fenimore Edward E.
Gehrels Neil
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