A hard X-ray survey of the Galactic-Center region with the IBIS telescope of the INTEGRAL observatory: A catalog of sources

被引：0
|
作者：
M. G. Revnivtsev
R. A. Sunyaev
D. A. Varshalovich
V. V. Zheleznyakov
A. M. Cherepashchuk
A. A. Lutovinov
E. M. Churazov
S. A. Grebenev
M. R. Gilfanov
机构：
[1] Russian Academy of Sciences,Space Research Institute
[2] Max-Planck-Institut für Astrophysik,IoffePhysicotechnicalInstitute
[3] RussianAcademy of Sciences,Institute of Applied Physics
[4] Russian Academy of Sciences,undefined
[5] Sternberg Astronomical Institute,undefined
来源：
Astronomy Letters | 2004年 / 30卷
关键词：
Galactic Center; hard X-ray sources;
D O I：
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中图分类号：
学科分类号：
摘要：
From August 23 through September 24, 2003, the INTEGRAL Observatory conducted a deep survey of the Galactic-Center region with a record-breaking sensitivity at energies above 20 keV. We have analyzed the images of the Galactic-Center region obtained with the ISGRI detector of the IBIS telescope (15–200 keV) and give a catalog of detected sources. We detected a total of 60 sources with fluxes above 1.5 mCrab, 44 and 3 of which were previously identified as binary systems of different classes in our Galaxy and as extragalactic objects, respectively. We discovered one new source.
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页码：382 / 389
页数：7
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