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The Properties of Spiral Galaxies in Semi-Analytic Galaxy Formation Models | | Eric F. Bell
; Carlton Baugh
; Shaun Cole
; Carlos Frenk
; Cedric Lacey
; | | Date: |
16 Aug 2000 | | Subject: | astro-ph | | Affiliation: | Steward), Carlton Baugh, Shaun Cole, Carlos Frenk (Durham) and Cedric Lacey (SISSA | | Abstract: | We examine the present-day galaxy disk colors and star formation rates (SFRs) in the semi-analytic model of Cole et al. (2000). We find that the fiducial model is a good match to Kennicutt’s (1998) observed global star formation law, the color-based metallicity-magnitude correlation and the colors of low-luminosity galaxies. The main limitation of the model, from the point of view of present-day spirals, is that the optical colors of the disks of very luminous spiral galaxies are too blue, even after accounting for the effects of dust. | | Source: | arXiv, astro-ph/0008252 | | Services: | Forum | Review | PDF | Favorites | |
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