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	Correlation time scales of the X-ray flux in low mass X-ray binaries
	Wu, Y. X. ; Yu, W. ; Li, T. P.
	2010-05-10 ; 2010-05-10
会议名称	ASTROPHYSICS OF COMPACT OBJECTS ; International Conference on Astrophysics of Compact Objects ; Huangshan City, PEOPLES R CHINA ; Web of Science
关键词	accretion, accretion disks black hole physics star : individual (Aquila X-1, GX 339-4, 4U 1 705-44) stars : neutron Physics, Multidisciplinary
中文摘要	Recent studies of several soft X-ray transients (SXTs) show that the X-ray flux at which the low/hard(LH)-to-high/soft(HS) state transition occurs in the rising phase of an outburst is nearly linearly correlated with the peak flux of the following (HS) state. By analyzing the data of the ASM on board the RXTE, we show that the flux correlation holds even after an outburst or flare reaches its flux peak. In GX 339-4, Aql X-1 and the quasi transient 4U 1705-44, the flux of the LH-to-HS state transition and the flux of the following HS state are positively correlated up to a time scale of 250 days, 40 days and 50 days following the corresponding LH-to-HS state transition, respectively. We discuss the implications of our study in the framework of a two-flow accretion geometry.
会议录出版者	AMER INST PHYSICS ; MELVILLE ; 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18685]
专题	清华大学
推荐引用方式 GB/T 7714	Wu, Y. X.,Yu, W.,Li, T. P.. Correlation time scales of the X-ray flux in low mass X-ray binaries[C]. 见:ASTROPHYSICS OF COMPACT OBJECTS, International Conference on Astrophysics of Compact Objects, Huangshan City, PEOPLES R CHINA, Web of Science.

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