Minaev 2010 Integral短暴的延伸辐射

主要内容:
可能是余辉。
在多个暴的统计图上能看出来。

精彩摘抄:

短暴的延伸辐射

非短暴

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Title:		Extended Emission from Short Gamma-Ray Bursts Detected with SPI-ACS/INTEGRAL
Authors:		Minaev, P. Yu.; Pozanenko, A. S.; Loznikov, V. M.
Publication:		eprint arXiv:1009.2685
Publication Date:		09/2010
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena
Comment:		27 pages, 10 figures
Bibliographic Code:		2010arXiv1009.2685M

Abstract

The short duration (T90 < 2 s) gamma-ray bursts (GRBs) detected in the SPI-ACS experiment onboard the INTEGRAL observatory are investigated. Averaged light curves have been constructed for various groups of events, including short GRBs and unidentified short events. Extended emission has been found in the averaged light curves of both short GRBs and unidentified short events. It is shown that the fraction of the short GRBs in the total number of SPI-ACS GRBs can range from 30 to 45%, which is considerably larger than has been thought previously.

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