Analysis of Quasi-periodic Oscillations and Time Lag in Ultraluminous X-Ray Sources with XMM-Newton

doi:10.3847/1538-4357/aa6892

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	Analysis of Quasi-periodic Oscillations and Time Lag in Ultraluminous X-Ray Sources with XMM-Newton
	Li ZJ(李子建); Xiao GC(肖广成); Zhang S(张澍); Ma X(马想); Yan LL(闫林丽); Qu JL(屈进禄); Li, ZJ; Xiao, GC; Chen, L; Zhang, S; Bu, QC; Zhang, L; Ma, X; Yan, LL; Qu, JL
	2017
发表期刊	ASTROPHYSICAL JOURNAL (IF:5.533[JCR-2016],5.342[5-Year])
ISSN	0004-637X
EISSN	1538-4357
卷号	839 期号:1 页码:19
文章类型	Article
摘要	We investigated the power density spectrum (PDS) and time lag of ultraluminous X-ray sources (ULXs) observed by XMM-Newton. We determined the PDSs for each ULX and found that five of them show intrinsic variability due to obvious quasi-periodic oscillations (QPOs) of mHz-1 Hz, consistent with previous reports. We further investigated these five ULXs to determine their possible time lag. The ULX QPOs exhibit a soft time lag that is linearly related to the QPO frequency. We discuss the likelihood of the ULX QPOs being type-C QPO analogs, and the time lag models. The ULXs might harbor intermediate-mass black holes if their. QPOs are type-C QPO analogs. We suggest that the soft lag and the linearity may be due to reverberation.
关键词	accretion, accretion disks black hole physics X-rays: binaries
DOI	10.3847/1538-4357/aa6892
关键词[WOS]	NGC 5408 X-1 ; BLACK-HOLE MASS ; TIMING-EXPLORER OBSERVATION ; SUPER-EDDINGTON ACCRETION ; ACTIVE GALACTIC NUCLEI ; HOLMBERG-IX X-1 ; CYGNUS X-1 ; GRS 1915+105 ; ENERGY-DEPENDENCE ; NEARBY GALAXIES
收录类别	SCI ; SCOPUS ; ADS
语种	英语
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
WOS记录号	WOS:000399251000004
ADS Bibcode	2017ApJ...839...19L
ADS URL	https://ui.adsabs.harvard.edu/abs/2017ApJ...839...19L
ADS引文	https://ui.adsabs.harvard.edu/abs/2017ApJ...839...19L/citations
引用统计	正在获取... 被引频次：2 [ADS]
文献类型	期刊论文
条目标识符	https://ir.ihep.ac.cn/handle/311005/284708
专题	粒子天体物理中心理论物理室
作者单位	中国科学院高能物理研究所
第一作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Li ZJ,Xiao GC,Zhang S,et al. Analysis of Quasi-periodic Oscillations and Time Lag in Ultraluminous X-Ray Sources with XMM-Newton[J]. ASTROPHYSICAL JOURNAL,2017,839(1):19.
APA	李子建.,肖广成.,张澍.,马想.,闫林丽.,...&Qu, JL.(2017).Analysis of Quasi-periodic Oscillations and Time Lag in Ultraluminous X-Ray Sources with XMM-Newton.ASTROPHYSICAL JOURNAL,839(1),19.
MLA	李子建,et al."Analysis of Quasi-periodic Oscillations and Time Lag in Ultraluminous X-Ray Sources with XMM-Newton".ASTROPHYSICAL JOURNAL 839.1(2017):19.