Other
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1279...32t&link_type=abstract
DECIPHERING THE ANCIENT UNIVERSE WITH GAMMA-RAY BURSTS. AIP Conference Proceedings, Volume 1279, pp. 32-39 (2010).
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1
Gamma-Ray Sources (Astronomical), Afterglows, Galaxies, Star Formation, Gamma-Ray Sources, Gamma-Ray Bursts, Plasma Reactions, Superclusters, Large-Scale Structure Of The Universe, Star Formation
Scientific paper
Gamma-ray bursts and their afterglows are sufficiently luminous that they should be readily detectable to z~15 and beyond. Since they have stellar progenitors, and are found in moderate to low metallicity systems, they should occur at very early times in the Universe. Thus GRBs provide a powerful route to exploring star formation and early galaxy evolution through the reionization era. Finding and characterising such bursts remains challenging, due to their scarcity and the requirement for rapid followup with large facilities. However, the discovery of GRB 090423 at z~8.2 opens the door to this new probe of the early Universe. In this contribution I discuss what we have learnt from this and other high-z bursts and consider what the future holds for this technique.
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