IGR J17497-2821: a new hard X-ray transient detected by INTEGRAL

S. Soldi, R. Walter*, D. Eckert, S. Balman, A. Bazzano, V. Beckmann, T. Belloni, S. Boggs, J. Chenevez, M. Del Santo, R. Diehl, I. Donnarumma, P. Goldoni, D. Gotz, J.C. Leyder, S. Mereghetti, A. Paizis, K. Pottschmidt, L. Sidoli, A. TaranaJ. Tueller, K. Watanabe, G. Weidenspointner

*Corresponding author for this work

Research output: Other contributionNet publication - Internet publicationResearch

Abstract

During the INTEGRAL Key Programme observations of the Galactic Centre region, the IBIS/ISGRI telescope detected the new hard X-ray transient IGR J17497-2821 at the position ra = 267.4277, dec = -28.3443. The source brightened above 25 mCrab (20-40 keV flux averaged over ~40 minutes) starting from 2006-09-17T00:35 (UTC), reaching 40 mCrab at the end of the revolution (2006-09-18T14:54). The source varies on time scales of less than one hour and is also detected above 40 keV. INTEGRAL will continue to monitor this region for the next week.
Original languageEnglish
Publication date18 Sep 2006
Publication statusPublished - 18 Sep 2006
SeriesThe Astronomer's telegram
NumberATel #885

Keywords

  • X-ray
  • Gamma Ray
  • Transient

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