The XMM-Newton survey of the Small Magellanic Cloud : XMMUJ010633.1-731543 and XMMUJ010743.1-715953, two new Be/X-ray binary systems

M. J. Coe, F. Haberl, R. Sturm, E. S. Bartlett, D. Hatzidimitriou, Lee J. Townsend. L. J., A. Udalski, S. Mereghetti, M. Filipović

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    19 Citations (Scopus)

    Abstract

    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 153 s in XMMUJ010743.1-715953). The accurate X-ray source locations permit the identification of these X-ray sources with Be stars, thereby strongly suggesting that 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.
    Original languageEnglish
    Pages (from-to)282-292
    Number of pages11
    JournalMonthly Notices of the Royal Astronomical Society
    Volume424
    Issue number1
    DOIs
    Publication statusPublished - 2012

    Keywords

    • stars
    • neutrons
    • X-ray binaries
    • Magellanic Clouds
    • surveys

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