Gamma-Ray Bursts versus Quasars: Lyman-alpha Signatures of Reionization versus Cosmological Infall

Preprint

20 November 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0305470

Abstract

Lyman-alpha absorption is a prominent cosmological tool for probing both galactic halos and the intergalactic medium at high redshift. We consider a variety of sources that can be used as the Lyman-alpha emitters for this purpose. Among these sources, we argue that quasars are the best probes of the evolution of massive halos, while gamma-ray bursts represent the cleanest sources for studying the reionization of the intergalactic medium.

Keywords

INTERGALACTIC MEDIUM
ALPHA SIGNATURES
GAMMA RAY BURSTS
REIONIZATION
LYMAN ALPHA
RAY BURSTS
ABSORPTION
QUASARS

All Related Versions

Version 1, 2003-05-23, ArXiv
Version 2, 2003-10-02, ArXiv
Version 3, 2003-11-20, ArXiv
Published version: The Astrophysical Journal, 601 (1), 64.

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