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A Two-Temperature Supernova Fallback Disk Model for Anomalous X-ray Pulsars
Lu Ye1; Cheng K S2
2002
Source PublicationChinese Journal of Astronomy and Astrophysics
ISSN1009-9271
Volume2Issue:2Pages:161
AbstractWe present a case study of the relevance of the radially pulsational instability of a two-temperature accretion disk around a neutron star to anomalous X-ray pulsars (AXPs). Our estimates are based on the approximation that such a neutron star disk with mass in the range of 10(-6)-10(-5) M-circle dot is formed by supernova fallback. We derive several peculiar properties of the accretion disk instability: a narrow interval of X-ray pulse periods; lower X-ray luminosities; a period derivative and an evolution time scale. All these results are in good agreement with the observations of the AXPs.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/41060
Collection中国科学院国家天文台
Affiliation1.中国科学院国家天文台
2.香港大学
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Lu Ye,Cheng K S. A Two-Temperature Supernova Fallback Disk Model for Anomalous X-ray Pulsars[J]. Chinese Journal of Astronomy and Astrophysics,2002,2(2):161.
APA Lu Ye,&Cheng K S.(2002).A Two-Temperature Supernova Fallback Disk Model for Anomalous X-ray Pulsars.Chinese Journal of Astronomy and Astrophysics,2(2),161.
MLA Lu Ye,et al."A Two-Temperature Supernova Fallback Disk Model for Anomalous X-ray Pulsars".Chinese Journal of Astronomy and Astrophysics 2.2(2002):161.
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