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Are GRBs the same at high and low redshift?

2013/08/26 by O. M. Littlejohns, O. Littlejohns, Littlejohns, O. M. +11
Physics and Astronomy · #Astronomy and Astrophysical Research #FOS: Physical sciences #Gamma-ray bursts and supernovae #High Energy Astrophysical Phenomena (astro-ph.HE) #astro-ph.HE

paper · pdf · doi:10.48550/arxiv.1308.5651

7th Huntsville Gamma-Ray Burst Symposium, GRB 2013: paper 36 in eConf Proceedings C1304143

arxiv created 2013/08/26 · openalex publication_date 2013/08/26 · arxiv updated 2013/08/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Due to their highly luminous nature, gamma-ray bursts (GRBs) are useful tools in studying the early Universe (up to z = 10). We consider whether the available subset of Swift high redshift GRBs are unusual when compared to analogous simulations of a bright low redshift sample. By simulating data from the Burst Alert Telescope (BAT; Barthelmy et al. 2005) the light curves of these bright bursts are obtained over an extensive range of redshifts, revealing complicated evolution in properties of the prompt emission such as T90.

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