Intrinsic parameters of GRB 990123 from its prompt optical flash and afterglow
Wang, XY; Dai, ZG; Lu, T
刊名MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
2000
卷号319期号:4页码:1159-1162
关键词shock waves gamma-rays : bursts
学科分类Astronomy & Astrophysics
DOI10.1046/j.1365-8711.2000.03922.x
通讯作者Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, ICRHEA, Beijing 100039, Peoples R China
文章类型Article
英文摘要We have constrained the intrinsic parameters, such as the magnetic energy density fraction (epsilon (B)), the electron energy density fraction (epsilon (e)), the initial Lorentz factor (Gamma (0)) and the Lorentz factor of the reverse external shock (Gamma (rs)), of GRB 990123, in terms of the afterglow information (forward shock model) and the optical flash information (reverse shock model). Our result shows: (1) the inferred values of epsilon (e) and epsilon (B) are consistent with the suggestion that they may be universal parameters, comparing to those inferred for GRB 970508; (2) the reverse external shock may have become relativistic before it passed through the ejecta shell. Other intrinsic parameters of GRB 990123, such as the energy contained in the forward shock E and the ambient density n, are also determined and discussed in this paper.
类目[WOS]Astronomy & Astrophysics
研究领域[WOS]Astronomy & Astrophysics
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语种英语
WOS记录号WOS:000166398900018
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被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/239125
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Wang, XY,Dai, ZG,Lu, T. Intrinsic parameters of GRB 990123 from its prompt optical flash and afterglow[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2000,319(4):1159-1162.
APA Wang, XY,Dai, ZG,&Lu, T.(2000).Intrinsic parameters of GRB 990123 from its prompt optical flash and afterglow.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,319(4),1159-1162.
MLA Wang, XY,et al."Intrinsic parameters of GRB 990123 from its prompt optical flash and afterglow".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 319.4(2000):1159-1162.
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