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New X-ray transient IGR J17269-4737 discovered with INTEGRAL

ATel #624; M. Turler (ISDC, Geneva); M. Cadolle Bel (CEA Sacaly); R. Diehl (MPE, Garching); N.-J. Westergaard (DSRI Copenhagen); B. McBreen (Univ. College, Dublin); O. R. Williams (ISOC/ESAC, Madrid); S. A. Grebenev and A. Lutovinov (IKI, Moscow)
on 10 Oct 2005; 15:47 UT
Distributed as an Instant Email Notice Request For Observations
Credential Certification: Nami Mowlavi (Nami.Mowlavi@obs.unige.ch)

Subjects: X-ray, Gamma Ray, Request for Observations, Binary

Referred to by ATel #: 625, 626, 628, 629, 631, 632

A new X-ray transient has been detected by the IBIS/ISGRI telescope on board INTEGRAL during an observation of the galactic center on 2005 Oct. 6-7. The new source was observed at RA=261.72, DEC=-47.622 (3.8 arcmin error) with a sigma of 6.7 and a flux of about 11 mCrab in the 20-40 keV band. In the 40-80 keV band the source is not detected with a 3-sigma upper limit of about 8 mCrab. The source was always outside of the JEM-X field of view. The transient was not visible in a previous observation of this region six days earlier. ATel #623 has just been issued during the submission process of this one reporting a new transient source XTE J1726-476 at 6.3 arcmin from IGR J17269-4737. The two sources might be the same. We encourage follow-up observations of this source at all wavelengths.