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Spectral properties of anomalous X-ray pulsars
Lu, Y; Wang, W; Zhao, YH
2003-12-01
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
卷号3期号:6页码:543-550
摘要We examine the spectra of the persistent emission from anomalous X-ray pulsars (AXPs) and their variation with the spin-down rate Omega. Based on an accretion-powered model, the influences of both the magnetic field and the mass accretion rate on the spectral properties of AXPs are addressed. We then investigate the relation between the spectral property of AXPs and mass accretion rate A. The result shows that there exists a linear correlation between the photon index and the mass accretion rate: the spectral hardness increases with increasing A. A possible emission mechanism for the explanation of the spectral properties of AXPs is also discussed.
关键词Pulsars : General Stars : Neutron X-rays : Stars Accretion : Accretion Disks
收录类别SCI
语种英语
WOS记录号WOS:000187404500008
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8463
专题光学天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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Lu, Y,Wang, W,Zhao, YH. Spectral properties of anomalous X-ray pulsars[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2003,3(6):543-550.
APA Lu, Y,Wang, W,&Zhao, YH.(2003).Spectral properties of anomalous X-ray pulsars.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,3(6),543-550.
MLA Lu, Y,et al."Spectral properties of anomalous X-ray pulsars".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 3.6(2003):543-550.
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