Intrinsic parameters of GRB 990123 from its prompt optical flash and afterglow

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	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
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
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.
学科主题	Astronomy & Astrophysics
类目[WOS]	Astronomy & Astrophysics
研究领域[WOS]	Astronomy & Astrophysics
原文出处	SCI
语种	英语
WOS记录号	WOS:000166398900018
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/239125]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	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.