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A New Population of High-Redshift Short-Duration Gamma-Ray Bursts

Berger, Edo; Fox, Derek B; Price, Paul Antony; Nakar, Ehud; Gal-Yam, Avishay; Holz, D. E.; Schmidt, Brian; Cucchiara, A; Cenko, Stephen B; Kulkarni, Shrinivas R; Soderberg, A M; Frail, Dale A; Penprase, B E; Rau, Arne; Ofek, Eran; Burnell, S. J.; Cameron, P B; Cowie, L L; Dopita, Michael; Hook, I M; Peterson, Bruce; Podsiadlowski, Ph.; Roth, K C; Rutledge, R E; Sheppard, S. S.; Songaila, A


The redshift distribution of the short-duration gamma-ray bursts (GRBs) is a crucial, but currently fragmentary, clue to the nature of their progenitors. Here we present optical observations of nine short GRBs obtained with Gemini, Magellan, and the Hubble Space Telescope. We detect the afterglows and host galaxies of two short bursts, and host galaxies for two additional bursts with known optical afterglow positions, and five with X-ray positions (≲6″ radius). In eight of the nine cases we...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Astrophysical Journal, The
DOI: 10.1086/518762
Access Rights: Open Access


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