Saturated Compton cooling model of cosmological gamma-ray bursts

被引：50
|
作者：
Liang, EP
机构：
[1] Department of Space Physics and Astronomy, Rice University, MS 108, Houston
来源：
ASTROPHYSICAL JOURNAL | 1997年 / 491卷 / 01期
基金：
美国国家航空航天局;
关键词：
gamma rays; bursts;
D O I：
10.1086/311046
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We revisit the saturated Compton cooling model of gamma-ray burst pulse decay in the context of cosmological scenarios. We find that for pulse duration of similar to 1 s, this model is consistent with Gpc distance if the Compton cooling plasma is a relativistically expanding thin shell of bulk Lorentz factor greater than or equal to 10(2), radius similar to 10(15) cm, thickness greater than or equal to 10(11)-10(12) cm, comoving lepton density greater than or equal to 10(13) cm(-3) and is dominated by a thermal population of keV comoving temperature, with less than a few percent nonthermal population.
引用
收藏
页码：L15 / L18
页数：4
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