Guida 2008 GRB 060124 的解释

主要内容:
这个暴是第一个Swift的BAT XRT和UVOT同时观测了瞬时辐射和余辉的暴。作者们想要用前兆是内激波、瞬时辐射是外激波的模型解释它。

这个暴有precusor
精彩摘抄:


文章信息:

· arXiv e-print (arXiv:0804.3983)

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Title:		Theoretical interpretation of GRB060124: preliminary results
Authors:		Guida, Roberto; Grazia Bernardini, Maria; Bianco, Carlo Luciano; Caito, Letizia; Giovanna Dainotti, Maria; Ruffini, Remo
Publication:		eprint arXiv:0804.3983
Publication Date:		04/2008
Origin:		ARXIV
Keywords:		Astrophysics
Comment:		6 pages, 2 figures, to appear on the Proceedings of the Eleventh Marcel Grossmann Meeting, Berlin (Germany), July 2006
Bibliographic Code:		2008arXiv0804.3983G

Abstract

We show the preliminary results of the application of our "fireshell" model to GRB060124. This source is very peculiar because it is the first event for which both the prompt and the afterglow emission were observed simultaneously by the three Swift instruments: BAT (15-350 keV), XRT (0.2-10 keV) and UVOT (170-650 nm), due to the presence of a precursor ~ 570 s before the main burst. We analyze GRB060124 within our "canonical" GRB scenario, identifying the precursor with the P-GRB and the prompt emission with the afterglow peak emission. In this way we reproduce correctly the energetics of both these two components. We reproduce also the observed time delay between the precursor (P-GRB) and the main burst. The effect of such a time delay in our model will be discussed.

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