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Three new INTEGRAL sources: IGR J10043-8702, IGR J10500-6410 and IGR J15283-4443

ATel #865; A. Paizis (IASF, Milano), D. Gotz (CEA, Saclay), L. Sidoli, S. Vercellone, S. Mereghetti (IASF, Milano)
on 25 Jul 2006; 14:44 UT
Credential Certification: Sandro Mereghetti (sandro@mi.iasf.cnr.it)

Subjects: X-ray, Gamma Ray, AGN, Binary, Black Hole, Cataclysmic Variable, Neutron Star, Transient, Variables

In the course of a systematic analysis of INTEGRAL archival data, we discovered three new hard X-ray sources, IGR J10043-8702, IGR J10500-6410 and IGR J15283-4443, detected by the IBIS/ISGRI instrument. Each source was visible only in a single pointing (about 2 ksec). The coordinates (J2000, deg), statistical error radius, 17-40 keV flux in units of mCrab, detection significance and observation time are given below.

 


NAME RA DEC (ERROR) FLUX SIGMA UTC
--------------------------------------------------------------------------
IGR J10043-8702 151.0754 -87.03536 (3.4') 22+/-3 7.6 2004-01-17T23:00
IGR J10500-6410 162.5221 -64.16953 (4.0') 32+/-5 6.3 2004-06-12T02:44
IGR J15283-4443 232.0983 -44.73087 (3.0') 65+/-8 8.6 2004-09-07T05:01
A search of the Simbad database and ROSAT archive showed no previously known X-ray sources within 5 arcmin from the positions above.