The X-ray power density spectrum of Cyg X-1
文献类型：期刊论文
| 作者 | Chen, L; Feng YX(冯育新); Li TB(李惕碚) ; Feng, YX; Li, TP; Li, ZW
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| 刊名 | CHINESE ASTRONOMY AND ASTROPHYSICS
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| 出版日期 | 2000 |
| 卷号 | 24期号:2页码:#REF! |
| 关键词 | accretion disk black hole physics Cyg X-1 X-ray QPO |
| 通讯作者 | Chen, L (reprint author), Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China. |
| 英文摘要 | The method of auto-regressive power density spectrum (ARPDS) is used to analyse the frequency spectrum characteristics of Cyg X-l. Based on our results, we conclude that the power spectrum can be modelled in the same way for the transition and soft states by a broken power law plus noise. There is a wide noise component (< 3 Hz) and a QPO (4-12 Hz) in each of the transition states, while in the soft state, there is no significant QPO, and its PDS can be characterized perfectly by a broken power law. The frequency cutoff in each state is quite stable, and its evolution is consistent with the qualitative features predicted by the ADAF model. Our study shows that the method is effective for searching and identifying the frequency components in PDS. |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 收录类别 | SCI |
| WOS记录号 | WOS:000087315900004 |
| 公开日期 | 2016-05-03 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/226586]  |
| 专题 | 高能物理研究所_院士 |
| 推荐引用方式 GB/T 7714 | Chen, L,Feng YX,Li TB,et al. The X-ray power density spectrum of Cyg X-1[J]. CHINESE ASTRONOMY AND ASTROPHYSICS,2000,24(2):#REF!. |
| APA | Chen, L,冯育新,李惕碚,Feng, YX,Li, TP,&Li, ZW.(2000).The X-ray power density spectrum of Cyg X-1.CHINESE ASTRONOMY AND ASTROPHYSICS,24(2),#REF!. |
| MLA | Chen, L,et al."The X-ray power density spectrum of Cyg X-1".CHINESE ASTRONOMY AND ASTROPHYSICS 24.2(2000):#REF!. |
入库方式： OAI收割
来源：高能物理研究所
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