Peak luminosity correlated low-frequency oscillations in black holes
Gao HQ(高汉秦); Zhang Z(张镇); Zhang S(张硕); Qu JL(屈进禄); 宋黎明;Li, ZB; Gao, HQ; Zhang, Z; Zhang, S; Qu, JL; Zhang, CM; Song, LM
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2014
卷号440期号:1页码:143-149
关键词accretion accretion discs black hole physics stars: individual: GRO J1655-40 stars: low-mass stars: oscillations X-rays: binaries
学科分类Astronomy & Astrophysics
DOI10.1093/mnras/stu206
英文摘要Based on Rossi X-ray Timing Explorer (RXTE) observational data, we study the timing and spectral properties of some peculiar low-frequency (LF) quasi-periodic oscillations (QPOs), which have been found at the peak luminosity of the outburst of some transient black hole (BH) binaries: the 2005 outburst of GRO J1655-40, the 2003 outburst of H1743-322 and the 1998 outburst of XTE J1550-564. Appearing in the ultraluminous state, these QPOs from different sources show some common properties. The amplitude is very weak (less than 1 per cent) and the quality factor is larger than 6. Moreover, these QPOs (about several Hz) sometimes show up simultaneously with another QPO (about 10 Hz), but their frequencies are not harmonically related. We also find that the frequencies of these QPOs are inversely correlated with the mass of the BH, which implies that these QPOs might be correlated with the innermost stable circular orbit. The QPO frequency is also negative correlated with the inner disc radius among BHs. However, its frequency is too low to ascribe it to the Keperlian orbit frequency. Moreover, we discuss the physical origin of these QPOs and we suggest that they are not produced by the viscous variability of the inner disc either.
收录类别SCI
WOS记录号WOS:000334691900013
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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/311005/225189
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Gao HQ,Zhang Z,Zhang S,et al. Peak luminosity correlated low-frequency oscillations in black holes[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2014,440(1):143-149.
APA 高汉秦.,张镇.,张硕.,屈进禄.,宋黎明;Li, ZB.,...&Song, LM.(2014).Peak luminosity correlated low-frequency oscillations in black holes.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,440(1),143-149.
MLA 高汉秦,et al."Peak luminosity correlated low-frequency oscillations in black holes".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 440.1(2014):143-149.
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