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Outflows from ellipticals: the role of supernovae

Published online by Cambridge University Press:  26 May 2016

Francesca Matteucci  and
Antonio Pipino
Francesca Matteucci
Affiliation:
Dipartimento di Astronomia, Universitá degli Studi di Trieste, Via G.B. Tiepolo 11, I-34100 Trieste, Italia
Antonio Pipino
Affiliation:
Dipartimento di Astronomia, Universitá degli Studi di Trieste, Via G.B. Tiepolo 11, I-34100 Trieste, Italia

Abstract

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Models of supernova (SN) driven galactic winds for ellipticals are presented. We assume that ellipticals formed at high redshift and suffered an intense burst of star formation. The role of supernovae of Type II and Type Ia in the chemical enrichment and in triggering galactic winds is studied. In particular, several recipes for SN feed-back together with detailed nucleosynthesis prescriptions are considered. It is shown that SNe of Type II have a dominant role in enriching the interstellar medium of elliptical galaxies whereas Type Ia SNe dominate the enrichment and the energetics of the intracluster medium.

Type
Part 4. Feedback from Massive Stars
Information
Symposium - International Astronomical Union , Volume 212: A Massive Star Odyssey: From Main Sequence to Supernova , 2003 , pp. 630 - 636
Copyright
Copyright © Astronomical Society of the Pacific 2003 

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