Abdo 2010 短暴GRB081024B的GeV辐射

主要内容:
暴本身0.8s，GeV持续3s，和其他有高能的暴差不多。

精彩摘抄:

光变

高能辐射所占的比重

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Title:		Fermi detection of delayed GeV emission from the short GRB 081024B
Authors:		Fermi LAT Collaboration; Fermi GBM Collaboration
Publication:		eprint arXiv:1002.3205
Publication Date:		02/2010
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena
Comment:		19 pages, 4 figures, 2 tables. Accepted for publication in ApJ
Bibliographic Code:		2010arXiv1002.3205F

Abstract

We report on the detailed analysis of the high-energy extended emission from the short Gamma-Ray Burst (GRB) 081024B, detected by the Fermi Gamma-ray Space Telescope. Historically, this represents the first clear detection of temporal extended emission from a short GRB. The light curve observed by the Fermi Gamma-ray Burst Monitor lasts approximately 0.8 seconds whereas the emission in the Fermi Large Area Telescope lasts for about 3 seconds. Evidence of longer lasting high-energy emission associated with long bursts has been already reported by previous experiments. Our observations, together with the earlier reported study of the bright short GRB 090510, indicate similarities in the high-energy emission of short and long GRBs and open the path to new interpretations.

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