Discerning the Physical Origins of Cosmological Gamma-ray Bursts Based on Multiple Observational Criteria: The Cases of z = 6.7 GRB 080913, z = 8.2 GRB 090423, and Some Short/Hard GRBs

The two high-redshift gamma-ray bursts, GRB 080913 at z = 6.7 and GRB 090423 at z = 8.2, recently detected by Swift appear as intrinsically short, hard GRBs. They could have been recognized by BATSE as short/hard GRBs should they have occurred at z

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Bibliographic Details
Published in:The Astrophysical journal 2009-10, Vol.703 (2), p.1696-1724
Main Authors: Zhang, Bing, Zhang, Bin-Bin, Virgili, Francisco J, Liang, En-Wei, Kann, D. Alexander, Wu, Xue-Feng, Proga, Daniel, Lv, Hou-Jun, Toma, Kenji, Mészáros, Peter, Burrows, David N, Roming, Peter W. A, Gehrels, Neil
Format: Article
Language:English
Subjects:
AFTERGLOW
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
COSMIC GAMMA BURSTS
COSMIC RADIATION
ELECTROMAGNETIC RADIATION
ELEMENTS
GALAXIES
GAMMA RADIATION
GOLD
GRAVITATIONAL WAVES
IONIZING RADIATIONS
LUMINOSITY
METALS
OPTICAL PROPERTIES
PARTICLE TRACKS
PHYSICAL PROPERTIES
PRIMARY COSMIC RADIATION
RADIATIONS
RED SHIFT
STARS
TRANSITION ELEMENTS
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Description
Summary:The two high-redshift gamma-ray bursts, GRB 080913 at z = 6.7 and GRB 090423 at z = 8.2, recently detected by Swift appear as intrinsically short, hard GRBs. They could have been recognized by BATSE as short/hard GRBs should they have occurred at z
ISSN:0004-637X
1538-4357
DOI:10.1088/0004-637X/703/2/1696