Chandra detection of outburst from M31 binary CXOM31 J004321.1+411751

Details Chandra detection of outburst from M31 binary CXOM31 J004321.1+411751 Chandra detection of outburst from M31 binary CXOM31 J004321.1+411751

Nov 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2294....1n&link_type=abstract

The Astronomer's Telegram, #2294

Astronomy and Astrophysics

Astronomy

X-Ray, Binaries, Black Holes, Neutron Stars, Transients

Scientific paper

Based on a 5ks Chandra ACIS-I observation of M31 on Nov 11 2009, we report a dramatic brightening of CXOM31 J004321.1+411751, [aka r3-7 (Kong et al. 2002 ApJ 577, 738), source 437 (Pietsch, Freyberg, and Haberl 2005 A&A 434, 483), RX J0043.3+4117 (Supper et al. 2001 A&A 373, 63)]. The spectrum on Nov 11 can be well fit with a power law with photon index 2.1 ± 0.2 and Nh consistent with the Galactic value of 7E20 cm-2.

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