Gamma-Ray Bursts, new cosmological beacons
V. Avila-Reese (1), C. Firmani (1,2), G. Ghisellini (2), J. I. Cabrera, (1) ((1)IA-UNAM, Mexico; (2) INAF-OAB, Italy)
TL;DR
This paper reviews how long Gamma-Ray Bursts serve as bright cosmic beacons, helping to trace star formation, metallicity, and the universe's expansion at high redshifts.
Contribution
It provides a comprehensive overview of the potential of GRBs as cosmological tools and their role in understanding the universe's evolution.
Findings
GRBs are linked to massive star deaths and can trace star formation history.
They can serve as distance indicators up to redshifts 5-6.
GRBs offer a way to study the universe's expansion at early epochs.
Abstract
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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Taxonomy
TopicsGamma-ray bursts and supernovae