Astronomy and Astrophysics – Astrophysics
Scientific paper
1999-07-28
Astronomy and Astrophysics
Astrophysics
4 pages, using moriond.sty, Proceedings of the XIXth Moriond Astrophysics Meeting `Building Galaxies: from the Primordial Univ
Scientific paper
We describe the evolution of galaxies in a chemically consistent way accounting for the increasing initial metallicity of successive generations of stars. The enrichment of various types of model galaxies is compared with Damped Ly$\alpha$ (= DLA) abundances over the redshift range from ${\rm z \sim 0}$ through ${\rm z > 4.4}$. We discuss properties and composition of the galaxy population giving rise to DLA absorption. Beyond evolution of individual galaxies a change is found in the composition of DLA galaxy samples from high to low redshift. Spectrophotometric properties are predicted for optical identifications of DLA galaxies.
Alvensleben Uta Fritze--v.
Lindner Ulrich
Möller Claudia S.
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