XMM-Newton observations of faint X-ray sources in globular clusters

N. A. Webb, D. Barret, B. Gendre

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1 Citation (Web of Science)


Using the new generation of X-ray observatories, we are now beginning to identify populations of close binaries in globular clusters, previously elusive in the optical domain because of the high stellar density. These binaries are thought to be, at least in part, responsible for delaying the inevitable core collapse of globular clusters and their identification is therefore essential in understanding the evolution of globular clusters, as well as being valuable in the study of the binaries themselves. Here, we present observations made with XMM-Newton of six globular clusters, in which we have identified neutron star low mass X-ray binaries and their descendants (millisecond pulsars), cataclysmic variables and other types of binaries. We discuss not only the characteristics of these binaries, but also their formation and evolution in globular clusters and their use in tracing the dynamical history of these clusters. (C) 2006 COSPAR. Published by Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)2930-2933
Number of pages4
JournalAdvances in Space Research
Issue number12
Publication statusPublished - 2006
Externally publishedYes


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