Margutti, R. 2010 x射线耀发和伽马暴都满足L_P-t_lag的关系

主要内容:
大致为L_P~1/T_lag
说明X射线耀发和暴本身的相同起源。

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Title:		Lag-luminosity relation in gamma-ray burst X-ray flares
Authors:		Margutti, R.
Publication:		eprint arXiv:1006.4103
Publication Date:		06/2010
Origin:		ARXIV
Keywords:		Astrophysics - High Energy Astrophysical Phenomena
Comment:		To appear in: "Deciphering the ancient universe with GRBs", Kyoto 2010, conference proceeding
Bibliographic Code:		2010arXiv1006.4103M

Abstract

In strict analogy to prompt pulses, X-ray flares observed by Swift-XRT in long Gamma-Ray Bursts define a lag-luminosity relation: L_p,iso \propto t_lag^{-0.95+/-0.23}. The lag-luminosity is proven to be a fundamental law extending 5 decades in time and 5 in energy. This is direct evidence that GRB X-ray flares and prompt gamma-ray pulses are produced by the same mechanism.

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