The energy dependence of the three types of low-frequency quasi-periodic oscillations in the black hole candidate H1743-322

被引：26

作者：

Li, Z. B. ^{[1
]}

Zhang, S. ^{[2
]}

Qu, J. L. ^{[2
]}

Gao, H. Q. ^{[2
]}

Zhao, H. H. ^{[2
]}

Huang, C. P. ^{[1
]}

Song, L. M. ^{[2
]}

机构：

[1] Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2013年 / 433卷 / 01期

关键词：

accretion; accretion discs; black hole physics; stars: individual: H1743-322; stars: low-mass; stars: oscillations; X-rays: binaries; X-RAY BINARIES; XTE J1550-564; CENTROID FREQUENCY; TIMING FEATURES; SPECTRAL STATES; GRS 1915+105; PHASE-LAG; GX; 339-4; BEHAVIOR; ACCRETION;

D O I：

10.1093/mnras/stt737

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the properties of the centroid frequency of low-frequency quasi-periodic oscillation (LF QPOs, 0.1-30 Hz) during the 2003 outburst of H1743-322, by using the observational data of the Rossi X-ray Timing Explorer. We find that the frequency shows different energy dependences for each of the sub-classes of LF QPOs: the QPO frequency is proportional to photon energy for the type C QPOs while it is ambiguous for the type A and B QPOs. For type C QPOs, the slope of the frequency-energy relation versus frequency plot can be well described by a power law with frequency till similar to 7.5 Hz. Beyond similar to 7.5 Hz the slope goes down. The LF QPO amplitude decreases monotonically with the frequency for the type C but increases for the other two types. These properties provide a joint diagnostic for discriminating the different types of LF QPO.

引用

页码：412 / 420

页数：9

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