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Magnetic energy injection in GRB 080913
Liu XueWen; Wu XueFeng; Lu Tan
AbstractGRB 080913, with a spectroscopically determined redshift of z=6.7, was the record holder for being the most remote stellar object before the discovery of the recent gamma-ray burst GRB 090423, whose redshift is about 8.2. The gradually accumulated high redshift GRB sample has shed light on the origin and physical properties of GRBs during the cosmic re- ionization epoch. Here, we present a detailed numerical fit to the multi-wavelength data of the optical afterglow of GRB 080913 and then constrain its circumburst environment and the other model parameters. We conclude that the late optical/X-ray plateau at about one day since the burst is due to the Poynting-flux dominated injection from the central engine which is very likely a massive spinning black hole with super strong magnetic fields.
KeywordGamma-rays: Bursts Outflow Black Hole
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000280291800062
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Document Type期刊论文
AffiliationChinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Liu XueWen,Wu XueFeng,Lu Tan. Magnetic energy injection in GRB 080913[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2010,53((S1):262-264):262-264.
APA Liu XueWen,Wu XueFeng,&Lu Tan.(2010).Magnetic energy injection in GRB 080913.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,53((S1):262-264),262-264.
MLA Liu XueWen,et al."Magnetic energy injection in GRB 080913".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 53.(S1):262-264(2010):262-264.
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