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Post Info TOPIC: Be X-ray binaries


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Be X-ray binaries
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Title: The XMM-Newton survey of the Small Magellanic Cloud: XMMUJ010633.1-731543 and XMMUJ010743.1-715953, two new Be/X-ray binary systems
Authors: M.J. Coe (Southampton), F. Haberl (MPE), R. Sturm (MPE), E.S. Bartlett (Southampton), D. Hatzidimitriou (Athens), L.J. Townsend (Southampton), A. Udalski (Warsaw), S. Mereghetti (INAF), M. Filipovic (Sydney)

In the course of the XMM-Newton survey of the Small Magellanic Cloud (SMC), two new bright X-ray sources were discovered exhibiting the spectral characteristics of High Mass X-ray Binaries - but revealing only weak evidence for pulsations in just one of the objects(at 153s in XMMUJ010743.1-715953). The accurate X- ray source locations permit the identification of these X-ray source with Be stars, thereby strongly suggesting these systems are new Be/X-ray binaries. From blue spectra the proposed classification for XMMUJ010633.1-731543 is B0.5-1Ve and for XMMUJ010743.1-715953 it is B2IV-Ve.

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