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Chemical Abundances and Hierarchical Clustering

Published online by Cambridge University Press:  26 May 2016

P. B. Tissera  and
D.G. Lambas
P. B. Tissera
Affiliation:
Institute of Astronomy and Space Science, Conicet, Argentina
D.G. Lambas
Affiliation:
IATE, Observatorio Astronómico Córdoba and Conicet, Argentina

Abstract

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In this contribution we study 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 detailed modeling of chemical enrichment by SNIa and SNII In our simulations the missing metal problem is caused by chemical elements being locked up in stars, in the central regions (or bulges) mainly. Supernova energy feedback could help to reduce this concentration by expelling metals to the intergalactic medium.

Type
Part 2. Origin
Information
Symposium - International Astronomical Union , Volume 217: Recycling Intergalactic and Interslettar Matter , 2004 , pp. 264 - 265
Copyright
Copyright © Astronomical Society of the Pacific 2004 

References

Cora, S. A., Tissera, P. B., Lambas, D. G., & Mosconi, M. 2003, MNRAS, 343, 959.CrossRefGoogle Scholar
Tissera, P. B., Lambas, D. G., Mosconi, M., & Cora, S. A. 2002, MNRAS, 333, L27.CrossRefGoogle Scholar
Tissera, P. B., & Lambas, D. G. 2004, MNRAS (submitted).Google Scholar