The XMM-Newton survey of the Small Magellanic Cloud: XMMU J010633.1-731543 and XMMU J010743.1-715953, two new Be/X-ray binary systems?

被引：18

作者：

Coe, M. J. ^{[1
]}

Haberl, F. ^{[2
]}

Sturm, R. ^{[2
]}

Bartlett, E. S. ^{[1
]}

Hatzidimitriou, D. ^{[3
,4
]}

Townsend, L. J. ^{[1
]}

Udalski, A. ^{[5
]}

Mereghetti, S. ^{[6
]}

Filipovic, M. ^{[7
]}

机构：

[1] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England

[2] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[3] Univ Athens, Dept Astrophys Astron & Mech, Fac Phys, Athens 15784, Greece

[4] Fdn Res & Technol, IESL, Iraklion 71110, Greece

[5] Univ Warsaw Observ, PL-00478 Warsaw, Poland

[6] Ist Astrofis Spaziale & Fis Cosm Milano, INAF, I-20133 Milan, Italy

[7] Univ Western Sydney, Penrith, NSW 1797, Australia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2012年 / 424卷 / 01期

基金：

欧洲研究理事会;

关键词：

stars: neutron; X-rays: binaries; PHOTON IMAGING CAMERA; POINT-SOURCE CATALOG; STARS; REGION; OSCILLATIONS; VARIABILITY; PHOTOMETRY; NGC-330; SEARCH; PULSAR;

D O I：

10.1111/j.1365-2966.2012.21193.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the course of the XMMNewton 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 XMMU J010743.1-715953). 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 XMMU J010633.1-731543 is B0.5-1Ve and for XMMU J010743.1-715953 it is B2IV-Ve.

引用

页码：282 / 292

页数：11

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