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

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

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