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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
A photometric redshift of z = 6.39 ± 0.12 for GRB 050904
Nature, Volume 440, No. 7081, Year 2006
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Description
Gamma-ray bursts (GRBs) and their afterglows are the most brilliant transient events in the Universe. Both the bursts themselves and their afterglows have been predicted to be visible out to redshifts of z ≈ 20, and therefore to be powerful probes of the early Universe1,2. The burst GRB 000131, at z = 4.50, was hitherto the most distant such event identified3. Here we report the discovery of the bright near-infrared afterglow of GRB 050904 (ref. 4). From our measurements of the near-infrared afterglow, and our failure to detect the optical afterglow, we determine the photometric redshift of the burst to be z = 6.39-0.12+0.11 (refs 5-7). Subsequently, it was measured8 spectroscopically to be z = 6.29 ± 0.01, in agreement with our photometric estimate. These results demonstrate that GRBs can be used to trace the star formation, metallicity, and reionization histories of the early Universe. © 2006 Nature Publishing Group.
Authors & Co-Authors
Haislip, Joshua B.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Nysewander, Melissa C.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Reichart, Daniel E.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Levan, Andrew J.
United Kingdom, Hatfield
University of Hertfordshire
Tanvir, Nial R.
United Kingdom, Hatfield
University of Hertfordshire
Cenko, Stephen Bradley
United States, Pasadena
California Institute of Technology
Fox, Derek B.
United States, University Park
Pennsylvania State University
Price, Paul A.
United States, Honolulu
University of Hawaiʻi at Mānoa
Castro-Tirado, A. J.
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Gorosabel, Javier
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Evans, Charles R.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Jelínek, Martin
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Guziy, Sergei S.
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
de Ugarte Postigo, Antonio
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Cypriano, Eduardo S.
Chile, La Serena
Southern Observatory for Astrophysical Research
Brazil, Itajuba
Laboratorio Nacional de Astrofisica, Itajuba
LaCluyzé, Aaron P.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Chapman, Robert
United Kingdom, Hatfield
University of Hertfordshire
Rhoads, James E.
United States, Baltimore
Space Telescope Science Institute
Fruchter, Andrew S.
United States, Baltimore
Space Telescope Science Institute
Lamb, Donald Q.
United States, Chicago
The University of Chicago
Kouveliotou, Chryssa K.
United States, Huntsville
Nasa Marshall Space Flight Center
Wijers, Ralph A.M.J.
Netherlands, Amsterdam
Universiteit Van Amsterdam
Bayliss, Matthew B.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
United States, Chicago
The University of Chicago
Schmidt, Brian P.
Australia, Canberra
Australian National University, Mount Stromlo Observatory
Soderberg, Alicia M.
United States, Pasadena
California Institute of Technology
Kulkarni, Shrinivas R.
United States, Pasadena
California Institute of Technology
Harrison, Fiona A.
United States, Pasadena
California Institute of Technology
Gal-Yam, Avishay
United States, Pasadena
California Institute of Technology
Kasliwal, Rachna
United States, Pasadena
California Institute of Technology
Hudec, Renè
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Kubánek, Petr
Switzerland, Geneva
Université de Genève
Clemens, J. Christopher
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Hartmann, Dieter H.
United States, Clemson
Clemson University
Henden, Arne A.
United States, Cambridge
American Association of Variable Star Observers
Klose, Sylvio
Germany, Camburg
Thueringer Landessternwarte Tautenburg
Rol, Evert
United Kingdom, Leicester
University of Leicester
O'Brien, Paul T.
United Kingdom, Leicester
University of Leicester
Bersier, David F.
United Kingdom, Liverpool
Liverpool John Moores University
Prada, Francisco
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Jarvis, Matthew J.
United Kingdom, Oxford
University of Oxford
Moles, Mariano
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Alfaro, E. J.
Spain, Granada
Instituto de Astrofísica de Andalucía - Csic
Ivarsen, Kevin M.
United States, Chapel Hill
The University of North Carolina at Chapel Hill
Gehrels, Neil C.
United States, Greenbelt
Nasa Goddard Space Flight Center
Barthelmy, Scott D.
United States, Greenbelt
Nasa Goddard Space Flight Center
Burrows, David N.
United States, University Park
Pennsylvania State University
Statistics
Citations: 131
Authors: 46
Affiliations: 28
Identifiers
Doi:
10.1038/nature04552
ISSN:
00280836