THE ACCRETION RATE INDEPENDENCE OF HORIZONTAL BRANCH OSCILLATION IN XTE J1701-462
Li, ZS; Chen, L; 屈进禄;Qu, JL; Bu, QC; Wang, DH; Xu, RX
刊名ASTROPHYSICAL JOURNAL
2014
卷号786期号:2页码:119
关键词binaries: general stars: individual (XTE J1701-462) stars: neutron X-rays: binaries X-rays:individual (XTE J1701-462)
学科分类Astronomy & Astrophysics
DOI10.1088/0004-637X/786/2/119
英文摘要We study the temporal and energy spectral properties of the unique neutron star low-mass X-ray binary XTE J1701462. Assuming the horizontal branch/normal branch (HB/NB) vertex as a reference position of the accretion rate, the horizontal branch oscillation (HBO) of the HB/NB vertex is roughly 50 Hz. It indicates that the HBO is independent of the accretion rate or the source intensity. The spectral analysis shows Rin proportional to M-Disk(2.9 +/- 0.09) Disk in the HB/NB vertex and Rin proportional to M-Disk(1.7 perpendicular to 0.06) Disk in the NB/flaring branch (FB) vertex, which implies that different accretion rates may be produced in the HB/NB and NB/FB vertex. The Comptonization component could be fitted by a constrained broken power law or nthComp. Unlike GX 17+ 2, the frequencies of HBO positively correlate with the inner disk radius, which contradict with the prediction of the Lense-Thirring precession model. XTE J1701-462, both in the Cyg-like phase and in the Sco-like phase, follows a positive correlation between the break frequency of broadband noise and the characteristic frequency of HBO, which is called the W-K relation. An anticorrelation between the frequency of HBO and photon energy is observed. Moreover, the rms of HBO increases with photon energy until similar to 10 keV. We discuss the possible origin of HBO from the corona in XTE J1701-462.
收录类别SCI
WOS记录号WOS:000335884500043
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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/311005/224844
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
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Li, ZS,Chen, L,屈进禄;Qu, JL,et al. THE ACCRETION RATE INDEPENDENCE OF HORIZONTAL BRANCH OSCILLATION IN XTE J1701-462[J]. ASTROPHYSICAL JOURNAL,2014,786(2):119.
APA Li, ZS,Chen, L,屈进禄;Qu, JL,Bu, QC,Wang, DH,&Xu, RX.(2014).THE ACCRETION RATE INDEPENDENCE OF HORIZONTAL BRANCH OSCILLATION IN XTE J1701-462.ASTROPHYSICAL JOURNAL,786(2),119.
MLA Li, ZS,et al."THE ACCRETION RATE INDEPENDENCE OF HORIZONTAL BRANCH OSCILLATION IN XTE J1701-462".ASTROPHYSICAL JOURNAL 786.2(2014):119.
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