... Compton Heating of the Intergalactic Medium by the Hard X-RayBackground. ... the intergalactic gas by the hard X-raybackground (XRB), an effect neglected in all ... background at a given epoch, where x is the hydrogen neutral fraction in units of 10 ...
... and XMM-Newton surveys have resolved the bulk of the 0.5-10 keV X-raybackground ... obscured AGNs) are dominant and contribute the vast majority of the X-raybackground ...
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Ссылки http://www.stsci.edu/ftp/science/goods.save/Internal/aas-posters/Alexander_aas.pdf -- 1653.6 Кб -- 17.01.2003 Похожие документы
... current synthesis models of the X-raybackground Barger, A. J. Optical and Infrared ... Barger, A. J. The Nature of the Hard X-RayBackground Sources: Optical,.. ... Fraction of the Cosmic X-RayBackground Kastner, J. H. Evidence for Accretion: High ...
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Ссылки http://www.stsci.edu/~marel/decadal/prof/White_archives_CDH_FFP.pdf -- 480.9 Кб -- 16.03.2009 Похожие документы
... 80% of the cosmic X-raybackground is resolved at 2-8 keV in the deepest Chandra surveys, the peak of the cosmic X-raybackground remains largely unexplained (at energies of 8-40 keV). ...
... 80% of the cosmic X-raybackground is resolved at 2-8 keV in the deepest Chandra surveys, the peak of the cosmic X-raybackground remains largely unexplained (at energies of 8-40 keV). ...