Gamma-Ray Bursts, new cosmological beacons

Details Gamma-Ray Bursts, new cosmological beacons Gamma-Ray Bursts, new cosmological beacons

2008-02-19

arxiv.org/abs/0802.2578v2

Rev.Mex.Astron.Astrof.Ser.Conf.35:188,2009

Astronomy and Astrophysics

Astrophysics

7 pages, 3 figures. Invited talk, to appear in RevMexAA Conf. Series (XII IAU Regional Latinamerican Meeting, Isla de Margarit

Scientific paper

Long Gamma-Ray Bursts (GRBs) are the brightest electromagnetic explosions in the Universe, associated to the death of massive stars. As such, GRBs are potential tracers of the evolution of the cosmic massive star formation, metallicity, and Initial Mass Function. GRBs also proved to be appealing cosmological distance indicators. This opens a unique opportunity to constrain the cosmic expansion history up to redshifts 5-6. A brief review on both subjects is presented here.

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