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Time lags of Z source GX 5-1
Qu JL(屈进禄); Chen Y(陈勇); Wu M(吴枚); Chen l; Song LM(宋黎明); Qu, JL; Chen, Y; Wu, M; Chen, L; Song, LM
2004
发表期刊ASTROPHYSICS AND SPACE SCIENCE
卷号293期号:4页码:441-451
通讯作者Chinese Acad Sci, Inst High Energy Phys, Lab Particle Astrophys, Beijing 100039, Peoples R China ; Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
文章类型Article
摘要We investigated the time lags and the evolution of the cross spectra of Z source GX 5-1, observed by the Rossi X-ray Timing Explorer (RXTE), when it is in the horizontal branch oscillations. We showed that the time lags of three horizontal branch oscillations are related to the position on the hardness intensity diagram. All of the three QPOs were shown to have hard time lags. However on the cross spectra, one is in a 'dip', one in a 'bump', the other has not so obvious characteristic. The time lags of two of the QPOs decrease with QPO's frequency, while the other has a trend increasing with its frequency. Moreover, in the normal branch, we found no significant time lags in the present observational data.
关键词binaries stars GX 5-1 X-rays
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
DOI10.1023/B:ASTR.0000044620.04676.fd
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000224437100007
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被引频次:3[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/311005/237498
专题粒子天体物理中心
理论物理室
多学科研究中心
作者单位中国科学院高能物理研究所
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Qu JL,Chen Y,Wu M,et al. Time lags of Z source GX 5-1[J]. ASTROPHYSICS AND SPACE SCIENCE,2004,293(4):441-451.
APA 屈进禄.,陈勇.,吴枚.,Chen l.,宋黎明.,...&Song, LM.(2004).Time lags of Z source GX 5-1.ASTROPHYSICS AND SPACE SCIENCE,293(4),441-451.
MLA 屈进禄,et al."Time lags of Z source GX 5-1".ASTROPHYSICS AND SPACE SCIENCE 293.4(2004):441-451.
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