Christensen 2010 60个长暴余辉的谱线

主要内容:

对60个长暴，分析了它们的谱线。找到了一些原子的发射线和吸收线。

暗暴有比较强的吸收线（暗示暗暴周围的物质比较密集，可能是吸收导致的暗暴）。

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Title:		A High Signal-to-Noise Ratio Composite Spectrum of Gamma-ray Burst Afterglows
Authors:		Christensen, L.; Fynbo, J. P. U.; Prochaska, J. X.; Thoene, C. C.; de Ugarte Postigo, A.; Jakobsson, P.
Publication:		eprint arXiv:1011.0734
Publication Date:		11/2010
Origin:		ARXIV
Keywords:		Astrophysics - Cosmology and Extragalactic Astrophysics
Comment:		Accepted for publication in ApJ, 24 pages
Bibliographic Code:		2010arXiv1011.0734C

Abstract

We present a composite spectrum of 60 long duration gamma-ray burst (GRB) afterglows with redshifts in the range 0.35

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