Probing the Gamma-ray Burst Progenitor by Lyman-alpha Emission of Host Galaxies


Theoretical and observational studies suggest that long gamma-ray bursts (GRBs) preferentially occur in low metallicity environment. We discuss the possibility and theoretical aspects of using Lyman α emission properties of GRB host galaxies as a metallicity indicator of high redshift GRB environments, where direct metallicity measurements are not easy. We… (More)


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