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Wiley, Astronomical Notes, 4(332), p. 345-348, 2011

DOI: 10.1002/asna.201011496

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Unlocking the nature of ultraluminous X-ray sources using their X-ray spectra

Journal article published in 2011 by Jeanette C. Gladstone, Timothy P. Roberts ORCID, Chris Done
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We explore the nature of ultraluminous X-ray sources through detailed investigations of their spectral shape using some of the highest quality data available in the XMM-Newton public archives. Phenomenological models allow us to characterise their spectra, while more ‘physically-motivated’ models enable us to explore the physical processes underlying these characteristics. These physical models imply the presence of extreme (probably super-Eddington) accretion on to stellar mass black holes (© 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)