Chandra Detection of Two New Transient X-Ray Sources in M31

Details Chandra Detection of Two New Transient X-Ray Sources in M31 Chandra Detection of Two New Transient X-Ray Sources in M31

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1698....1g&link_type=abstract

The Astronomer's Telegram, #1698

Astronomy and Astrophysics

Astronomy

Request For Observations, Binaries, Black Holes, Neutron Stars, Transients

Scientific paper

We report the discovery of 2 previously unseen X-ray sources detected in a 5ks Chandra/ACIS observation starting on 2008-09-01.32 UT as part of our ongoing Chandra/HST M31 transient program (see also ATel #1693 for more results from this observation). Due to the low count-rate, no spectral fitting was possible. The reported luminosities have been estimated assuming an absorbed power law spectrum with nH = 6.67e20 atoms/ cm2 (the Galactic value towards M31), Γ = 1.7 and a distance of 780 kpc.

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