High-energy afterglow emission from gamma-ray bursts

被引：103

作者：

Fan, Yi-Zhong ^{[1
,2
,3
]}

Piran, Tsvi ^{[1
]}

Narayan, Ramesh ^{[4
]}

Wei, Da-Ming ^{[2
]}

机构：

[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel

[2] Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China

[3] Univ Copenhagen, Niels Bohr Inst, Neils Bohr Int Acad, DK-2100 Copenhagen, Denmark

[4] Harvard Univ, Ctr Astrophys, Inst Theory & Computat, Cambridge, MA 02138 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2008年 / 384卷 / 04期

关键词：

radiation mechanisms : non-thermal; ISM : jets and outflows; gamma rays : bursts;

D O I：

10.1111/j.1365-2966.2007.12765.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the very high-energy (sub-GeV to TeV) inverse Compton emission of GRB afterglows. We argue that this emission provides a powerful test of the currently accepted afterglow model. We focus on two processes: synchrotron self-Compton emission within the afterglow blast wave, and external inverse Compton emission which occurs when flare photons (produced by an internal process) pass through the blast wave. We show that if our current interpretations of the Swift X-ray telescope (XRT) data are correct, there should be a canonical high-energy afterglow emission light curve. Our predictions can be tested with high-energy observatories such as GLAST, Whipple, HESS and MAGIC. Under favourable conditions we expect afterglow detections in all these detectors.

引用

页码：1483 / 1501

页数：19

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