Properties of Disk Galaxies in Phenomenological Models of Galaxy Formation

Details Properties of Disk Galaxies in Phenomenological Models of Galaxy Formation Properties of Disk Galaxies in Phenomenological Models of Galaxy Formation

2002-06-13

arxiv.org/abs/astro-ph/0206209v1

Astronomy and Astrophysics

Astrophysics

2 pages, 2 figures. To appear in "Galaxy Evolution: Theory and Observations (2002)", RevMexAA(SC)

Scientific paper

We present a phenomenological model for understanding the origins and evolution of galaxy morphologies from a phenomenological perspective. The model includes an observationally motivated prescription for star formation in galaxy disks, as well as a merger-driven starburst mode of star formation. We consider the formation of bulges and ellipticals both in mergers and by global instabilities in disks. We use our model to investigate the fundamental properties of disk galaxies and the effects of surface-brightness limits on large galaxy surveys.

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