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First Stars III
Contact:
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Talk
Title: How the First Stars Shaped the First Galaxies Presenter: John H. Wise Abstract: Radiative feedback from the first stars totally disrupt the baryonic structures contained in the host halo and expel most of the gas from the shallow potential well. We use cosmological AMR simulations that include self-consistent Population III star formation and feedback. Accurate radiative transport is modelled with adaptive ray tracing. We include supernova explosions and follow the metal enrichment of the intergalactic medium and surrounding star forming halos. We focus on the formation of several dwarf galaxies and its progenitors. In these halos, baryon fractions in 10^4 K halos decrease to 10% with stellar feedback and 5% with supernova explosions. We find that gaseous spin parameters increase by an order of magnitude when supernova feedback is included.
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