Very High Column Density and Small Reddening toward GRB 020124 atz = 3.20

Hjorth, J.; Møller, P.; Gorosabel, J.; P. U. Fynbo, J.; Toft, Sune; O. Jaunsen, A.; A. Kaas, A.; Pursimo, T.; Torii, K.; Kato, Takeo; Yamaoka, H.; Yoshida, A.; Thomsen, B.; I. Andersen, M.; Burud, I.; M. Castro Cerón, J.; J. Castro‐Tirado, A.; S. Fruchter, A.; Kaper, L.; Kouveliotou, C.; Masetti, N.; Palazzi, E.; Pedersen, H.; Pian, E.; E. Rhoads, James; Rol, E.; R. Tanvir, N.; M. Vreeswijk, P.; A. M. J. Wijers, R.; P. J. van den Heuvel, E.

doi:10.1086/378493

Public

Very High Column Density and Small Reddening toward GRB 020124 atz = 3.20

Published in The Astrophysical Journal • Nov 7, 2003

Authors:

J. Hjorth

P. Møller

J. Gorosabel

Abstract

We present optical and near-infrared observations of the dim afterglow of GRB 020124, obtained between 2 and 68 hr after the gamma-ray burst. The burst occurred in a very faint ( R ≳ 29.5) damped Lyα absorber (DLA) at a redshift of z = 3.198 ± 0.004. The derived column density of neutral hydrogen is...

Subject

Gamma-ray burst

Afterglow

Astrophysics

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