The Peculiar Physics of GRB 170817A and Their Implications for Short GRBs

被引：8
|
作者：
Begue, D. [1 ]
Burgess, J. Michael [1 ,2 ]
Greiner, J. [1 ]
机构：
[1] Max Planck Inst Extraterr Phys, Giessenbachstr, D-85748 Garching, Germany
[2] Tech Univ Munich, Excellence Cluster Universe, Boltzmannstr 2, D-85748 Garching, Germany
来源：
ASTROPHYSICAL JOURNAL LETTERS | 2017年 / 851卷 / 01期
关键词：
gamma-ray burst: individual (170817A); radiation mechanisms: non-thermal; radiation mechanisms: thermal; GAMMA-RAY BURSTS; SELF-COMPTON EMISSION; LIGHT CURVES; SYNCHROTRON; SHOCKS; MODEL; WIND;
D O I：
10.3847/2041-8213/aa9d85
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The unexpected nearby gamma-ray burst (GRB) GRB 170817A associated with the Laser Interferometer Gravitational-Wave Observatory binary neutron star merger event GW170817 presents a challenge to the current understanding of the emission physics of short GRBs. The event's low luminosity but similar peak energy compared to standard short GRBs are difficult to explain with current models, challenging our understanding of the GRB emission process. Emission models invoking synchrotron radiation from electrons accelerated in shocks and photospheric emission are particularly challenging explanations for this burst.
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页数：5
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