Discovery of a likely counterpart to IGR J15391-5307 with Chandra: X-ray localization and near-IR identification

Details Discovery of a likely counterpart to IGR J15391-5307 with Chandra: X-ray localization and near-IR identification Discovery of a likely counterpart to IGR J15391-5307 with Chandra: X-ray localization and near-IR identification

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3293....1t&link_type=abstract

The Astronomer's Telegram, #3293

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Infra-Red, X-Ray, Request For Observations

Scientific paper

As part of our Chandra program to localize hard X-ray sources discovered by INTEGRAL in the Galactic Plane, we obtained a 5.0 ks ACIS exposure of the IGR J15391-5307 field on UT 2011 April 14, 21.2-23.1 h. We detect five 0.3-10 keV sources within the 4.5 arcminute INTEGRAL error circle (Bird et al. 2010, ApJS, 186, 1). The source that is brightest (47 ACIS counts compared to 3 to 6 counts for the other sources) and closest to the center of the INTEGRAL error circle is CXOU J153916.7-530815.

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