MAXI/GSC detection of an outburst from a black hole candidate 4U 1630-472

Details MAXI/GSC detection of an outburst from a black hole candidate 4U 1630-472 MAXI/GSC detection of an outburst from a black hole candidate 4U 1630-472

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3830....1n&link_type=abstract

The Astronomer's Telegram, #3830

Astronomy and Astrophysics

Astronomy

X-Ray, Binary, Black Hole, Transient

Scientific paper

We report on a detection of a renewed outburst from a black hole candidate 4U 1630-472 with MAXI/GSC. The source was first detected on 2011 December 17 (MJD 55912) at 35±5 mCrab (2-20 keV), and increased to 135±5 mCrab on MJD 55915 and 168±8 mCrab on MJD 55920. Then it has rapidly increased since December 26 (MJD 55921), and reached 360±10 mCrab on MJD 55922.
The spectrum until MJD 55920 is described by a heavily absorbed multi-colored disk blackboby with a powerlaw model.

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