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Rms-flux relation of Cyg X-1 with RXTE: dipping and nondipping cases
Lei YJ(雷亚娟); Song LM(宋黎明); Qu JL(屈进禄); Lei, YJ; Song, LM; Qu, JL; Zhang, CM
2007
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号310期号:3-4页码:307-315
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Particle Astrophys, Beijing 100049, Peoples R China ; Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
摘要The rms (root mean square) variability is the parameter for understanding the emission temporal properties of X-ray binaries (XRBs) and active galactic nuclei (AGN). The rms-flux relation with Rossi X-ray Timing Explorer (RXTE) data for the dips and nondip of black hole Cyg X-1 has been investigated in this paper. Our results show that there exist the linear rms-flux relations in the frequency range 0.1-10 Hz for the dipping light curve. Moreover, this linear relation still remains during the nondip regime, but with the steeper slope than that of the dipping case in the low energy band. For the high energy band, the slopes of the dipping and nondipping cases are hardly constant within errors. The explanations of the results have been made by means of the "Propagating Perturbation" model of Lyubarskii (Lyubarskii, Y.E., Mon. Not. Roy. Astron. Soc. 292, 679-685 (1997)).
文章类型Article
关键词accretion accretion disks binaries close circumstellar matter scattering stars individual (Cygnus X-1) X-rays stars
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
DOI10.1007/s10509-007-9534-4
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语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000248813800021
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被引频次:2[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/311005/236897
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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Lei YJ,Song LM,Qu JL,et al. Rms-flux relation of Cyg X-1 with RXTE: dipping and nondipping cases[J]. ASTROPHYSICS AND SPACE SCIENCE,2007,310(3-4):307-315.
APA 雷亚娟.,宋黎明.,屈进禄.,Lei, YJ.,Song, LM.,...&Zhang, CM.(2007).Rms-flux relation of Cyg X-1 with RXTE: dipping and nondipping cases.ASTROPHYSICS AND SPACE SCIENCE,310(3-4),307-315.
MLA 雷亚娟,et al."Rms-flux relation of Cyg X-1 with RXTE: dipping and nondipping cases".ASTROPHYSICS AND SPACE SCIENCE 310.3-4(2007):307-315.
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