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arxiv: astro-ph/0402027 · v2 · submitted 2004-02-02 · 🌌 astro-ph

A Hard X-ray survey of the Galactic Center with INTEGRAL/IBIS. Catalog of sources

M.Revnivtsev (1 , 2) , R.Sunyaev (1 , D.Varshalovich (3) , V.Zheleznyakov (4) , A.Cherepashchuk (5) , A.Lutovinov (1) , E.Churazov (1
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S.Grebenev (1) M.Gilfanov (1 2) (1-IKI Moscow Russia; 2- MPA Garching Germany 3- Ioffe Institute St. Petersbur g Russia; 4- IAP N.Novgorod Russia; 5 - Sternberg Astronomical Institute Russia)
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classification 🌌 astro-ph
keywords galacticsourcescentercatalogdetectedhigheribisintegral
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During the period Aug.23-Sept.24 2003, the INTEGRAL observatory performed an ultra deep survey of the Galactic Center region with a record sensitivity at energies higher than 20 keV. We have analized images of the Galactic Center region obtained with the ISGRI detector of the IBIS telescope (15-200 keV) and present here a catalog of detected sources. In total, 60 sources with a flux higher than 1.5 mCrab have been detected. 44 of them were earlier identified as Galactic binary systems, 3 are extragalactic objects. 2 new sources are discovered.

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