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Linearly polarized X-ray flares following short gamma-ray bursts
Fan, YZ; Zhang, B; Proga, D
2005-12-20
发表期刊ASTROPHYSICAL JOURNAL
卷号635期号:2页码:L129-L132
摘要Soft X-ray flares were detected following the short-duration gamma-ray burst GRB 050724. The temporal properties of the flares suggest that they are likely due to the late-time activity of the central engine. We argue that if short GRBs are generated through compact star mergers, as is supported by the recent observations, the jet powering the late X-ray flares must be launched via magnetic processes rather than via neutrino-antineutrino annihilations. As a result, the X-ray flares following short GRBs are expected to be linearly polarized. The argument may also apply to the X-ray flares following long GRBs. Future observations with the upcoming Xray polarimeters will test this prediction.
关键词Gamma Rays : Bursts Accretion Radiation Mechanisms : Nonthermal Accretion Disks
收录类别SCI
语种英语
WOS记录号WOS:000234182500005
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8121
专题光学天文研究部
作者单位1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
3.Univ Nevada, Dept Phys, Las Vegas, NV 89154 USA
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Fan, YZ,Zhang, B,Proga, D. Linearly polarized X-ray flares following short gamma-ray bursts[J]. ASTROPHYSICAL JOURNAL,2005,635(2):L129-L132.
APA Fan, YZ,Zhang, B,&Proga, D.(2005).Linearly polarized X-ray flares following short gamma-ray bursts.ASTROPHYSICAL JOURNAL,635(2),L129-L132.
MLA Fan, YZ,et al."Linearly polarized X-ray flares following short gamma-ray bursts".ASTROPHYSICAL JOURNAL 635.2(2005):L129-L132.
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