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X-ray observations of ultraluminous X-ray sources

Timothy P Roberts

Astrophysics and space science, 2007-10-01, Vol.311 (1-3), p.203 [Peer Reviewed Journal]

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  • Title:
    X-ray observations of ultraluminous X-ray sources
  • Author: Timothy P Roberts
  • Description: Issue Title: Proceedings of the Fifth Stromlo Symposium: Disks, Winds and Jets - From Planets to Quasars Ultraluminous X-ray sources (ULXs) are amongst the most intriguing of X-ray source classes. Their extreme luminosities--greater than 10^sup 39^ erg s^sup -1^ in the 0.3-10 keV band alone--suggest either the presence of black holes larger than those regularly encountered in our own Galaxy (the Galactic centre excepted), or sources apparently radiating well above the Eddington limit. We review the insights afforded us by studies of their X-ray emission, focussing on what this reveals about the underlying compact object. In particular, we discuss recent deep observations of ULXs by the XMM-Newton observatory, and how the unprecedented data quality provided by this mission is starting to discriminate between the different physical models for these extraordinary X-ray emitters. [PUBLICATION ABSTRACT]
  • Is Part Of: Astrophysics and space science, 2007-10-01, Vol.311 (1-3), p.203
  • Publisher: Dordrecht: Springer Nature B.V
  • Identifier: ISSN: 0004-640X
    EISSN: 1572-946X
    DOI: 10.1007/s10509-007-9547-z
  • Subjects: Stars & galaxies ; X rays
  • Language: English
  • Source: © ProQuest LLC All rights reserved

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