Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-03-07
Astronomy and Astrophysics
Astrophysics
Proceedings of the 2005 Anual Meeting of the Argentinian Astronomical Society, baaa-eng.sty
Scientific paper
We study the effects of Supernova (SN) feedback on the formation of disc galaxies. For that purpose we run simulations using the extended version of the code GADGET-2 which includes a treatment of chemical and energy feedback by SN explosions. We found that our model succeeds in setting a self-regulated star formation process since an important fraction of the cold gas from the center of the haloes is efficiently heated up and transported outwards. The impact of SN feedback on galactic systems is also found to depend on virial mass: smaller systems are more strongly affected with star formation histories in which several starbursts can develop. Our implementation of SN feedback is also successful in producing violent outflows of chemical enriched material.
Scannapieco Cecilia
Springel Volker
Tissera Patricia Beatriz
White Simon D. M.
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