Extrapolations of BATSE gamma-ray burst spectra to the optical-ultraviolet band

被引：4

作者：

Ford, LA ^{[1
]}

Band, DL ^{[1
]}

机构：

[1] UNIV CALIF SAN DIEGO, CTR ASTROPHYS & SPACE SCI 0111, LA JOLLA, CA 92093 USA

来源：

ASTROPHYSICAL JOURNAL | 1996年 / 473卷 / 02期

关键词：

gamma rays; bursts; radiation mechanisms; thermal;

D O I：

10.1086/178211

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Many gamma-ray burst counterpart searches are being conducted in the optical-UV band. To both predict detectability and understand the meaning of any detections or upper limits, we extrapolate gamma-ray spectra from 54 bright gamma-ray bursts to optical-UV energies. We assume optical emission is concurrent with gamma-ray emission and do not consider quiescent or fading counterparts. We find that the spectrum must be steeper (greater flux at low energy) than a simple extrapolation of the gamma-ray spectrum for more than one simultaneous optical flash to be observable per year by current searches.

引用

页码：1013 / 1019

页数：7

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