Detection and analysis of a new INTEGRAL hard X-ray transient, IGR J17285-2922

Bibcode
2005A&A...437L..27B
DOI
10.1051/0004-6361:200500131
Barlow, E. J.; Bird, A. J.; Clark, D. J.; Cornelisse, R.; Dean, A. J.; Hill, A. B.; Moran, L.; Sguera, V.; Shaw, S. E.; Willis, D. R.; Capitanio, F.; Del Santo, M.; Bassani, L.
Bibliographical reference

Astronomy and Astrophysics, Volume 437, Issue 2, 2005, pp.L27-L30

Advertised on:
7
2005
Journal
Astronomy and Astrophysics
Number of authors
13
IAC number of authors
0
Citations
12
Refereed citations
11
Description
We present the transient nature of INTEGRAL source IGR J17285 2922, identified from a single period of activity during an IBIS/ISGRI Galactic Centre Deep Exposure in September 2003. The source has a maximum detection significance of 14σ in the 20 100 keV energy range and exhibits a flux of 6.5 mCrab before it moves out of the ISGRI field of view. The source is visible to at least 150 keV and its spectrum can be fit with a power law slope of Γ=2.1 ±0.17; a more physical model could not be fit due to poor statistics. Detected characteristics are consistent with the source being a Galactic low-mass X-ray binary harbouring a black hole or neutron star.
Type
Refereed
Surveys

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