A possible redshift evolution of the time-lag and variability luminosity relations for long gamma-ray bursts期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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A possible redshift evolution of the time-lag and variability luminosity relations for long gamma-ray bursts

Authors:	WJ Azzam MJ Alothman N Guessoum

Institution:	^aDepartment of Physics, College of Science, University of Bahrain, Sakhir, Southern Governate 32038, Bahrain;^bDepartment of Physics, American University of Sharjah, United Arab Emirates

Abstract:	Several luminosity relations currently exist for long gamma-ray bursts (GRBs). Some were derived from the light curves; others were obtained from the spectra. In this study, we consider two of these luminosity relations: the time-lag, _τ_lag $τ_{lag}$ , relation and the variability, V, relation and investigate their possible dependence on (or “evolution” with) the redshift, z.

Keywords:	Gamma-ray bursts Luminosity relations Evolution
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