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Formation and evolution of disk galaxies

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arxiv 0809.0513 v1 pith:GEXOEG3N submitted 2008-09-02 astro-ph

classification astro-ph
keywords formationdiskgalaxyevolutionunderstandingaccretioncomponentconfronts
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Global star formation is the key to understanding galaxy disk formation. This in turn depends on gravitational instability of disks and continuing gas accretion as well as minor merging. A key component is feedback from supernovae. Primary observational constraints on disk galaxy formation and evolution include the Schmidt-Kennicutt law, the Tully-Fisher relation and the galaxy luminosity function. I will review how theory confronts phenomenology, and discuss future prospects for refining our understanding of disk formation.

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