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Title:
Hard X-ray activity of IGR J17473-2721
Authors:
Kuulkers, E.; Shaw, S.; Beckmann, V.; Brandt, S.; Chenevez, J.; Courvoisier, T. J.-L.; Domingo, A.; Ebisawa, K.; Jonker, P.; Kretschmar, P.; Markwardt, C.; Oosterbroek, T.; Paizis, A.; Risquez, D.; Sanchez-Fernandez, C.; Wijnands, R.
Publication:
The Astronomer's Telegram, #1461
Publication Date:
04/2008
Origin:
ATEL
Keywords:
X-ray, Gamma Ray, Binaries, Neutron Stars, Transients, Variables
Bibliographic Code:
2008ATel.1461....1K

Abstract

Persistent X-ray activity has been reported by Swift/XRT (ATel #1459) and RXTE/PCA (ATel #1460) from the transient IGR J17473-2721 (= XTE J1747-274; ATels #467, #498) after the detection of an X-ray burst by SuperAGILE (ATel #1445). We report the detection of persistent activity at 18-100 keV with INTERAL/IBIS/ISGRI. The average hard X-ray flux during the Galactic bulge monitoring observations (see ATel #1385) which started on UT 2008 April 1, 16:55 of the source was 41+2 mCrab and 42+3 mCrab, at 18-40 keV and 40-100 keV, respectively, indicating a hard spectral state.
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Database: Astronomy
Physics
arXiv e-prints