A Damped Lyα Absorption-Line System in an Apparent Void at Redshift 2.38
Leith E. H. Godfrey and
Paul J. Francis
Publications of the Astronomical Society of Australia
22(3) 245 - 248
Published: 31 August 2005
Abstract
We study the contents of an apparent void in the distribution of Lyα emitting galaxies at redshift 2.38. We show that this void is not empty, but contains a damped Lyα absorption-line system, seen in absorption against background QSO 2138-4427. Imaging does not reveal any galaxy associated with this absorption-line system, but it contains metals (Fe/H ~ –1.3), and its large velocity range (~180 km s–1) implies a significant mass.Keywords: Large Scale Structure of Universe — quasars: individual (2138-4427) — quasars: absorption lines
https://doi.org/10.1071/AS05009
© ASA 2005
