Capozziello 2009 伽玛暴作为标准烛光

主要内容:
基本上就是把别人的结合一下: 用多个统计关系, 用超新星帮助定标.

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Title:		Cosmography by GRBs : Gamma Ray Bursts as possible distance indicators
Authors:		capozziello, S.; Izzo, L.
Publication:		eprint arXiv:0906.3025
Publication Date:		06/2009
Origin:		ARXIV
Keywords:		Astrophysics - Cosmology and Extragalactic Astrophysics
Comment:		6 pages, 4 figures, Dark Energy Conference, Florence 2009
Bibliographic Code:		2009arXiv0906.3025C

Abstract

A new method to constrain the cosmological equation of state is proposed by using combined samples of gamma-ray bursts (GRBs) and supernovae (SNeIa). The Chevallier-Polarski-Linder parameterization is adopted for the equation of state in order to find out a realistic approach to achieve the deceleration/acceleration transition phase of dark energy models. As results, we find that GRBs, calibrated by SNeIa, could be, at least, good distance indicators capable of discriminating cosmological models with respect to $\Lambda$CDM at high redshift.

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