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Line emission from conical jets around rotating black holes
Yuan, YF; Li, B; Wang JM(王建民); Wang, JM
2005
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号297期号:1-4页码:423-430
通讯作者Univ Sci & Technol China, Ctr Astrophys, Anhua 230026, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Lab Cosm Ray & High Energy Astrophys, Beijing 100039, Peoples R China
摘要Some observations indicate the presence of Doppler-shifted emission lines in the X-ray spectra of black hole candidates and active galactic nuclei. Motivated by which, we studied the observed profile of emission lines from relativistic outflows around black holes in great detail, but jets are simply treated as pencil beams. It was found that the observed line emission shows a doubly peaked profile at large viewing angles for extreme Kerr black holes. In this work, we study the observed profile of an emission line from a more realistic, cone-shaped jet, and we find that an intrinsically narrow line is basically singly peaked, which is different from our previous results. Therefore, we conclude that the double peaks in our previous results is due to the simplified assumption on the geometrical structure of jets. This finding emphasizes the difference between the observed line profile in the jet case and those in the disc case in which there are generally double peaks in the observed spectra.
文章类型Article; Proceedings Paper
关键词black holes jets X-ray
学科领域Astronomy & Astrophysics
DOI10.1007/s10509-005-7702-y
研究领域[WOS]Astronomy & Astrophysics
URL查看原文
语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000228545100046
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237422
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Yuan, YF,Li, B,Wang JM,et al. Line emission from conical jets around rotating black holes[J]. ASTROPHYSICS AND SPACE SCIENCE,2005,297(1-4):423-430.
APA Yuan, YF,Li, B,王建民,&Wang, JM.(2005).Line emission from conical jets around rotating black holes.ASTROPHYSICS AND SPACE SCIENCE,297(1-4),423-430.
MLA Yuan, YF,et al."Line emission from conical jets around rotating black holes".ASTROPHYSICS AND SPACE SCIENCE 297.1-4(2005):423-430.
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