IGR J17394-4638: a new X-ray transient detected by INTEGRAL

Details IGR J17394-4638: a new X-ray transient detected by INTEGRAL IGR J17394-4638: a new X-ray transient detected by INTEGRAL

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atel.1048....1c&link_type=abstract

The Astronomer's Telegram, #1048

Astronomy and Astrophysics

Astronomy

3

Radio, X-Ray, Request For Observations, Binaries, Black Holes, Neutron Stars, Transients

Scientific paper

A new X-ray transient has been discovered by the X-ray monitor JEM-X aboard INTEGRAL, during the last/fifth public ToO observation of GX 339-4 conducted between UT 2007 Mar 29 04:40 and 2007 Mar 31 01:42 UTC. The new source, IGR J17394-4638, was detected at the position RA = 264.92 DEC = -46.64, with 2 arcmin accuracy (90% of confidence). The source was clearly visible in the 150 ksec mosaic image of the observation, with an average flux of F(5-20 keV)=7.4 E-10 cgs (based on a spectrum dominated by a kT ~ 2 keV disk blackbody) and a detection significance of 25 sigma, in the 3-30 keV band.

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