Supernova Feedback in Smoothed Particle Hydrodynamics Simulations of Dwarf Galaxy Formation

Details Supernova Feedback in Smoothed Particle Hydrodynamics Simulations of Dwarf Galaxy Formation Supernova Feedback in Smoothed Particle Hydrodynamics Simulations of Dwarf Galaxy Formation

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.1601s&link_type=abstract

American Astronomical Society, AAS Meeting #211, #16.01; Bulletin of the American Astronomical Society, Vol. 39, p.766

Astronomy and Astrophysics

Astronomy

Scientific paper

I will describe simulations that represent the evolution of galaxies using N-body smoothed particle hydrodynamic. The simulations present a novel recipe for star formation and the consequent supernova feedback. The recipes are employed in a number of isolated galaxies with different masses. The supernova feedback is effective at delaying star formation in low mass galaxies. The feedback also drives winds from low mass galaxies. In these winds, we find that stars can form and populate a stellar halo surrounding dwarf galaxies that compares well with the observed stellar halos surrounding Local Group Dwarfs.

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