How Supernova Feedback Affects Observed Galaxy Sizes and Structures

Details How Supernova Feedback Affects Observed Galaxy Sizes and Structures How Supernova Feedback Affects Observed Galaxy Sizes and Structures

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21344509j&link_type=abstract

American Astronomical Society, AAS Meeting #213, #445.09; Bulletin of the American Astronomical Society, Vol. 41, p.329

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Feedback from massive stars is perhaps the least understood aspect of galaxy formation. Based on adaptive mesh refinement (AMR) cosmological simulations and stellar population synthesis models, we compute half-light radii of high redshift galaxies and use them to compare simulated and observed size-mass and size-luminosity relations in the rest-frame UV/optical. The sizes of the simulated galaxies depend on the assumed strength of supernova feedback; we investigate the origin of this relation. We discuss minimum requirements for correct numerical modeling of supernova feedback in starburst galaxies.

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