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Power spectra of X-ray binaries
Li TB(李惕碚); Li, TP; Muraki, Y
2002
发表期刊ASTROPHYSICAL JOURNAL
卷号578期号:1页码:374-384
通讯作者Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China ; Tsing Hua Univ, Ctr Astrophys, Beijing 100084, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China ; Nagoya Univ, Solar Terr Environm Lab, Nagoya, Aichi, Japan
摘要The interpretation of Fourier spectra in the time domain is critically examined. Power density spectra defined and calculated in the time domain are compared with Fourier spectra in the frequency domain for three different types of variability: periodic signals, Markov processes, and random shots. The power density spectra for a sample of neutron stars and black hole binaries are analyzed in both the time and the frequency domains. For broadband noise, the two kinds of power spectra in accreting neutron stars are usually consistent with each other, but the time domain power spectra for black hole candidates are significantly higher than corresponding Fourier spectra in the high-frequency range (10-1000 Hz). Comparing the two kinds of power density spectra may help to probe the intrinsic nature of timing phenomena in compact objects.
文章类型Article
关键词binaries : close methods : data analysis stars : neutron X-rays : binaries X-rays : stars
学科领域Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
DOI10.1086/342139
URL查看原文
语种英语
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000178301500033
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被引频次:13[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/311005/237219
专题院士
作者单位中国科学院高能物理研究所
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Li TB,Li, TP,Muraki, Y. Power spectra of X-ray binaries[J]. ASTROPHYSICAL JOURNAL,2002,578(1):374-384.
APA 李惕碚,Li, TP,&Muraki, Y.(2002).Power spectra of X-ray binaries.ASTROPHYSICAL JOURNAL,578(1),374-384.
MLA 李惕碚,et al."Power spectra of X-ray binaries".ASTROPHYSICAL JOURNAL 578.1(2002):374-384.
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