Abundances at High Redshifts: the Chemical Enrichment History of Damped Lyman-alpha Galaxies

Details Abundances at High Redshifts: the Chemical Enrichment History of Damped Lyman-alpha Galaxies Abundances at High Redshifts: the Chemical Enrichment History of Damped Lyman-alpha Galaxies

1996-06-07

arxiv.org/abs/astro-ph/9606044v1

Astrophys.J.Suppl. 107 (1996) 475

Astronomy and Astrophysics

Astrophysics

AASTEX file containing 18 of the 20 tables. The remaining two tables (tables 16 and 17) are provided as separate PS files. 30

Scientific paper

10.1086/192373

Damped Lyman-alpha absorption systems found in the spectra of high redshift quasars are believed to trace the interstellar gas in high redshift galaxies. In this paper, we study the elemental abundances of C, N, O, Al, Si, S, Cr, Mn, Fe, Ni, and Zn in a sample of 14 damped Lyman-alpha systems using high quality echelle spectra of quasars obtained with the 10m Keck telescope. These abundances are combined with similar measurements in the literature in order to investigate the chemical evolution of damped Lyman-alpha galaxies in the redshift range 0.7

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