微类星体的SIMBOL-X观点
A SIMBOL-X View of Microquasars
摘要:
基于光谱模拟,我展示了10千电子伏以上的X射线辐射的聚焦将为微类星体的研究打开一个新的窗口。通过模拟银河系源的软态和硬态谱,讨论了SIMBOL-X如何帮助精确测量黑洞的自旋。在短~1秒时间尺度上的光谱研究也将允许访问吸积-喷射连接,以及可能在X射线中见证的喷流的形成。然后,我转向外部星系,并证明,光谱研究的硬源将是可能的至少~1百万秒差距。对于这样的源,将清楚地检测到细微的光谱特征(例如反射凸块)。最后讨论了这些原始结果对微类星体和黑洞物理学的影响。
英文摘要:
Based on spectral simulations, I show how focusing of the X-ray radiations above 10 keV will open a new window for the study of microquasars. With simulations of soft and hard state spectra of Galactic sources, I discuss how SIMBOL-X can help to precisely measure the spin of black holes. Spectral study on short ~1 s time scales will also allow the accretion-ejection connections to be accessed, and the formation of jets possibly witnessed in X-rays. I then turn to external galaxies, and demonstrate that spectral studies of hard sources will be possible up to at least ~1 Mpc. For such sources, subtle spectral signatures (e.g. a reflection bump) will clearly be detected. I finally discuss the implications that these original results will bring on the physics of microquasars and black holes.
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