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astro-ph2004
Extragalactic source counts in the 20-50 keV energy band from the deep observation of the Coma region by INTEGRAL/IBIS
R. Krivonos, A. Vikhlinin, E. Churazov +3
We present the analysis of serendipitous sources in a deep, 500 ksec, hard X-ray observation of the Coma cluster region with the IBIS instrument onboard INTEGRAL. In addition to th…
astro-ph2004
Stability of cold fronts in clusters: is magnetic field necessary?
E. Churazov, N. Inogamov
Cold fronts - sharp discontinuities recently discovered by Chandra in many clusters of galaxies - are believed to be due to a hot gas flow over a colder gravitationally bound gas c…
astro-ph2004
A Hard X-ray survey of the Galactic Center with INTEGRAL/IBIS. Catalog of sources
M. Revnivtsev, R. Sunyaev, D. Varshalovich +6
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 ke…