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Title:
The X-ray emission of the WR+O binary WR 79
Authors:
Gosset, Eric; Sana, Hugues; Rauw, Gregor; Nazé, Yaël
Affiliation:
AA(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AB(Sterrenkundige Instituut Anton Pannekoek, Universiteit van Amsterdam, The Netherlands), AC(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium), AD(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium)
Publication:
Société Royale des Sciences de Liège, Bulletin, vol. 80, p. 683-688 (Proceedings of the 39th Liège Astrophysical Colloquium, held in Liège 12-16 July 2010, edited by G. Rauw, M. De Becker, Y. Nazé, J.-M. Vreux, P. Williams)
Publication Date:
01/2011
Origin:
AUTHOR
Bibliographic Code:
2011BSRSL..80..683G

Abstract

In the framework of our multiwavelength study of the open cluster NGC 6231, we observed the colliding-wind WR+O binary WR 79 at six different epochs with the XMM-Newton observatory. These pointings offer the possibility to study the X-ray spectrum of WR 79 and its possible variability. Our results are briefly discussed and compared with the X-ray characteristics of other similar objects.
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