Star Formation and Supernova Feedback in Smoothed Particle Hydrodynamic Simulations of Galaxy Formation

Details Star Formation and Supernova Feedback in Smoothed Particle Hydrodynamic Simulations of Galaxy Formation Star Formation and Supernova Feedback in Smoothed Particle Hydrodynamic Simulations of Galaxy Formation

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.3802s&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #38.02; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Using physically motivated recipes for star formation and supernova feedback, we examine smoothed particle hydrodynamic simulations of isolated, virialized halos with masses ranging from 109 to 1013 M&sun;. The effect of supernova feedback is strongly apparent in the low mass halos. 109 M&sun; halos show star formation that happens in bursts. These bursts drive 1% of the halo gas mass out of the virial radius. Small amounts of gas are driven out of halos up to 1010 M&sun;. High mass halos exhibit a lower efficiency of turning gas into stars because the virialized gas starts at a temperature where cannot efficiently use atomic line emission to cool.

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