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Title:
Earlier activity from XTE J1739-302/IGR J17391-3021 detected by INTEGRAL
Authors:
Chenevez, J.; Beckmann, V.; Kuulkers, E.; Bird, A.; Brandt, S.; Courvoisier, T. J.-L.; Domingo, A.; Ebisawa, K.; Jonker, P.; Kretschmar, P.; Markwardt, C.; Oosterbroek, T.; Paizis, A.; Risquez, D.; Sanchez-Fernandez, C.; Shaw, S.; Wijnands, R.
Publication:
The Astronomer's Telegram, #1471
Publication Date:
04/2008
Origin:
ATEL
Keywords:
X-ray, Gamma Ray, Binaries, Transients
Bibliographic Code:
2008ATel.1471....1C

Abstract

The recently reported outburst from the supergiant fast X-ray transient XTE J1739-302/IGR J17391-3021 (ATEL #1466) began already about five hours earlier than the Swift/BAT trigger on 2008-04-08. The INTEGRAL/JEM-X monitor detected a flare starting at 16:18 (UTC) on the same day during recent Galactic Bulge monitoring observations (see ATEL #1385 and #1468). The flux averaged over the ~2 hour flare reached 42+/-8 mCrab (3-10 keV) and 80+/-15 mCrab (10-25 keV) with upper limits previous to the flare of 4 mCrab (3-10) keV and 8 mCrab (10-25 keV).
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Database: Astronomy
Physics
arXiv e-prints