First XMM-Newton observations of the globular cluster M 22

被引：10

作者：

Webb, NA ^{[1
]}

Gendre, B ^{[1
]}

Barret, D ^{[1
]}

机构：

[1] Ctr Etud Spatiale Rayonnements, F-31028 Toulouse 04, France

来源：

ASTRONOMY & ASTROPHYSICS | 2002年 / 381卷 / 02期

关键词：

stars : luminosity function; mass function; galaxy : globular clusters : individual : M 22; X-rays : general; stars : binaries : general;

D O I：

10.1051/0004-6361:20011501

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have examined preliminary data of the globular cluster, M 22, from the EPIC MOS detectors on board XMM-Newton. We have detected 27 X-ray sources within the centre of the field of view, 24 of which are new detections. Three sources were found within the core of the cluster. From spectral analysis of the X-ray sources, it is possible that the object at the centre of the core is a quiescent X-ray transient and those lying further out axe maybe cataclysmic variables.

引用

页码：481 / 486

页数：6

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