Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3645....1b&link_type=abstract
The Astronomer's Telegram, #3645
Astronomy and Astrophysics
Astronomy
1
X-Ray, Binary, Black Hole, Transient
Scientific paper
A new transient X-ray source was discovered in the 2011 August 26 Chandra ACIS observation of M31 (OBSID 12973), at RA = 00:42:11.37 DEC = +41:04:25.51. This system is likely to be a low mass X-ray binary with a black hole primary. The emission spectrum contained ~250 net source counts, and was well described by a power law with photon index 1.4 ± 0.2, suffering absorption equivalent to 6.7E+20 H atom / cm^2 (chi^2/dof = 11/10).
Barnard Richard
Garcia Murillo R.
Murray Stephen S.
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