Light curves of gamma-ray burst optical flashes

被引：239

作者：

Kobayashi, S ^{[1
]}

机构：

[1] Osaka Univ, Dept Earth & Space Sci, Toyonaka, Osaka 560, Japan

来源：

ASTROPHYSICAL JOURNAL | 2000年 / 545卷 / 02期

关键词：

gamma rays : bursts; hydrodynamics; relativity; shock waves;

D O I：

10.1086/317869

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The standard model of gamma-ray burst (GRB) afterglows assumes that relativistically expanding material is decelerating as a result of interaction with the surrounding medium. The afterglows are well described by the synchrotron radiation from a forward shock, while the strong optical flash associated with GRB 990123 can be attributed to the emission from a reverse shock. We give a detailed study on the reverse shock emission. The full light curves are calculated for long and short GRB cases. We discuss the lack of the prompt optical detections by ROTSE for GRB 981121 and GRB 981223.

引用

页码：807 / 812

页数：6

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