Suzaku X-Ray Spectroscopy of a Peculiar Hot Star in the Galactic Center Region
Suzaku X-Ray Spectroscopy of a Peculiar Hot Star in the Galactic Center Region
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DOI：
10.1093/pasj/60.sp1.s173
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发表时间：
2007-12
影响因子：
2.3
通讯作者：
Y. Hyodo;M. Tsujimoto;K. Koyama;S. Nishiyama;T. Nagata;I. Sakon;H. Murakami;H. Matsumoto
中科院分区：
文献类型：
--
作者：
Y. Hyodo;M. Tsujimoto;K. Koyama;S. Nishiyama;T. Nagata;I. Sakon;H. Murakami;H. Matsumoto
我们提出了一个明亮的点状源在银河系中心区域的6.7 keV强度图朱雀研究的结果。我们从X射线成像光谱仪获得的光谱中检测到一条强的Fe XXV 6.7 keV线，等效宽度为-1 keV，以及高度电离的Ar和Ca的发射线。用一个温度为3.8 tec0.6 keV，在8 kpc时光度为2.0-8.0 keV，高度吸收（~ 2 × 10 23 cm ~ 2）的薄热等离子体模型很好地描述了整个光谱.的吸收，温度，光度，和6.7 keV线强度与存档的XMM-牛顿数据进行了确认。来文方
We present the results of a Suzaku study of a bright point-like source in the 6.7 keV intensity map of the Galactic center region. We detected an intense Fe XXV 6.7 keV line with an equivalent width of � 1 keV as well as emission lines of highly ionized Ar and Ca from a spectrum obtained by the X-ray Imaging Spectrometer. The overall spectrum is described very well by a heavily absorbed (� 2 � 10 23 cm � 2 ) thin thermal plasma model with a temperature of 3.8 ˙ 0.6 keV and a luminosity of � 3 � 10 34 erg s � 1 (2.0–8.0 keV) at 8 kpc. The absorption, temperature, luminosity, and the 6.7 keV line intensity were confirmed with the archived XMM-Newton data. The source has