INTEGRAL monitoring of IGR J17098-3628
ATel #453; N. Mowlavi (ISDC, Geneva), E. Kuulkers (ESA/ESAC, Spain), J. Rodriguez, S. Shaw (ISDC, Geneva), A. Paizis (ISDC Geneva/IASF Milano), T. Courvoisier (ISDC, Geneva), K. Ebisawa (NASA/GSFC, USA), P. Kretschmar (ESA/ESAC, Spain), C. Markwardt (NASA/GSFC, USA), T. Oosterbroek, A. Orr (ESA/ESTEC, Netherlands), R. Wijnands (UvA, Netherlands)
on 5 Apr 2005; 16:35 UT
Credential Certification: Nami Mowlavi (Nami.Mowlavi@obs.unige.ch)
Subjects: Radio, Optical, X-ray, Gamma Ray, Transient
IGR J17098-3628 (ATEL #444) has been observed by INTEGRAL in the
Galactic Bulge Monitoring program (ATEL #438). We detected the source
with ISGRI in observations during 2005, March 26 00:00, April 2 02:45 and
April 3 23:30 with fluxes of, respectively, ~50 mCrabs, ~12 mCrabs and ~9 mCrabs
in 20-60 keV. The detection on April 3 is marginal due to slightly higher background
compared to the previous observation. The detection significances were 22, 5.5 and 3.8
during the three periods, respectively.
On March 26, the source was also detected in the 60-150 keV band at an intensity
of ~50 mCrabs (IBIS/ISGRI). It was not detected, at these energies, on april 2 and 3,
with an upper limit of 15 mCrabs.
The source was not detected in either energy band in the Galactic Bulge Monitoring
observations before March 25.
