The Mass-Metallicity relation in galaxies of different morphological types

Details The Mass-Metallicity relation in galaxies of different morphological types The Mass-Metallicity relation in galaxies of different morphological types

2009-04-14

arxiv.org/abs/0904.2202v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

4 pages, 2 figures, talk presented at "Probing Stellar Populations out to the Distant Universe," September 2008, Cefalu, Italy

Scientific paper

By means of chemical evolution models of different morphological types, we study the mass-metallicity (MZ) relation and its evolution with redshift. Our aim is to understand the role of galaxies of different morphological types in the MZ relation at various redshift. One major result is that at high redshift, the majority of the galaxies falling on the MZ plot are apparently proto-ellipticals. Finally, we show some preliminary results of a study of the MZ relation in a framework of hierarchical galaxy formation.

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