Chemical Abundances and the Hierarchical Clustering

Details Chemical Abundances and the Hierarchical Clustering Chemical Abundances and the Hierarchical Clustering

2003-10-20

arxiv.org/abs/astro-ph/0310559v1

Astronomy and Astrophysics

Astrophysics

to appear in Recycling intergalactic and intersetellar matter, IAUSS Vol 217, 2004

Scientific paper

We studied the chemical enrichment of the interstellar medium and stellar population of the building blocks of current typical galaxies in the field, in cosmological hydrodynamics simulations. The simulations include detail modeling of chemical enrichment by SNIa and SNII. In our simulations the metal missing problem is caused by chemical elements being locked upon in the central regions (or bulges) mainly, in stars. Supernova energy feedback could help to reduce this concentration by expelling metals to the intergalactic medium.

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