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The Short Bursts in SGR 1806-20, 1E 1048-5937, and SGR 0501+4516
Qu, ZJ; Li, ZS; Chen YP(陈玉鹏); Ji L(纪龙); Zhang S(张澍); Chen, YP; Dai, S; Ji, L; Xu, RX; Zhang, S
2015
发表期刊PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC
卷号127期号:949页码:211-222
摘要We analyzed temporal and spectral properties, focusing on the short bursts, for three anomalous X-ray pulsars (AXPs) and soft gamma repeaters (SGRs), including SGR 1806-20, 1E 1048-5937, and SGR 0501+4516. Using the data from XMM-Newton, we located the short bursts by the Bayesian blocks algorithm. The short bursts' duration distributions for three sources were fitted by two lognormal functions. The spectra of shorter bursts (<0.2s) and longer bursts (0.2s) can be well fitted in a two blackbody components model or optically thin thermal bremsstrahlung model for SGR 0501+4516. We also found that there is a positive correlation between the burst luminosity and the persistent luminosity with a power law index =1.23 +/- 0.18. The energy ratio of this persistent emission to the time averaged short bursts is in the range of 10-10(3), being comparable to the case in Type I X-ray burst.
文章类型Article
学科领域Astronomy & Astrophysics
DOI10.1086/680484
收录类别SCI
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000351774600001
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228382
专题粒子天体物理中心
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Qu, ZJ,Li, ZS,Chen YP,et al. The Short Bursts in SGR 1806-20, 1E 1048-5937, and SGR 0501+4516[J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,2015,127(949):211-222.
APA Qu, ZJ.,Li, ZS.,陈玉鹏.,纪龙.,张澍.,...&Zhang, S.(2015).The Short Bursts in SGR 1806-20, 1E 1048-5937, and SGR 0501+4516.PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC,127(949),211-222.
MLA Qu, ZJ,et al."The Short Bursts in SGR 1806-20, 1E 1048-5937, and SGR 0501+4516".PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 127.949(2015):211-222.
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