Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005assl..329p..15d&link_type=abstract
Starbursts: From 30 Doradus to Lyman Break Galaxies, Held in Cambridge, UK, 6-10 September 2004. Edited by R. de Grijs and R.M.
Astronomy and Astrophysics
Astrophysics
Scientific paper
The chemical evolution of galaxies is directly linked to the dynamical and astrophysical evolution of the systems. Hence, the chemical properties of the stars and the interstellar medium could be used as fossil records of the history of galaxy formation. The treatment of metal enrichment in cosmological simulations opens up the possibility of consistently studying the formation of galaxies and their chemical history. In this poster, we present first results on the study of the luminosity-metallicity relation (LMR) in galactic systems formed in a ΛCDM scenario. We use a chemodynamical model coupled to the entropy conservation code Gadget2, which includes the chemical production of SN II and SN Ia. We found evolution in the zero point and slope of the luminosity-metallicity relation, in agreement with observations. We discuss the origin of the change of the LMR and the relation between the LMR and mass-metallicity relation. We also assess the possible impact that energy feedback might have on these relations.
de Rossi Maria Emilia
Scannapieco Cecilia
Tissera Patricia Beatriz
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