X-ray observations of the Galactic Centre with Suzaku

被引:0
作者
Koyama, K. [1 ]
Hyodo, Y. [1 ]
Inui, T. [1 ]
Nobukawa, M. [1 ]
Mori, H. [1 ]
机构
[1] Kyoto Univ, Dept Phys, Grad Sch Sci, Kyoto 6068501, Japan
关键词
calaxy : center; ISM : bubbles; supernova remnants; X-rays : ISM;
D O I
10.1002/asna.200710908
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on the diffuse X-ray emission from the Galactic Centre (GCDX) observed with the X-ray Imaging Spectrometer (XIS) on board the Suzaku satellite. The highly accurate energy calibration and extremely low background of the XIS provide many new facts on the GCDX. These are (1) the origin of the lines at 6.7 and 7.0 keV is collisional excitation in a hot plasma, (2) the discovery of new SNR and super-bubble candidates, (3) most of the 6.4 keV line is X-ray fluorescence, and (4) time variability of the 6.4 keV line is found from the Sgr B2 complex. (C) 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:182 / 185
页数:4
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