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The X-Ray Background

Published online by Cambridge University Press:  30 March 2016

Andrzej Soltan*
Affiliation:
Nicolaus Copernicus Astronomical Center Polish Academy of Scienceul. Bartycka 18 PL-00-716 Warszawa, Poland

Abstract

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Various models of the X-ray background are discussed. It is postulated that the only explanation consistent with all the existing data is discrete sources. Present observational material suggests that known classes of active galactic nuclei also dominate the source counts below the lowest detectable flux levels.

Type
Joint Discussions
Copyright
Copyright © Kluwer 1992

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