Wang 2007 Amati relation and the host galaxy lumonosity
主要内容:
According to B-band luminosity of the host galaxies, Amati relation can be devided into two sub-groups.
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文章信息:
Does Amati Relation Depend on Luminosity of GRB's Host Galaxies?
(Submitted on 28 Oct 2007)
Abstract: In order to test systematic of the Amati relation, the 24 long-duration GRBs with firmly determined $E_{\gamma,\mathrm{iso}}$ and $E_{\mathrm p}$ are separated into two sub-groups according to B-band luminosity of their host galaxies. The Amati relations in the two subgroups are found to be in agreement with each other within uncertainties. Taking into account of the well established luminosity - metallicity relation of galaxies, no strong evolution of the Amati relation with GRB's environment metallicity is implied in this study.
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