Ab Initio Formation of Galaxies, Groups and Large-Scale Structure

Details Ab Initio Formation of Galaxies, Groups and Large-Scale Structure Ab Initio Formation of Galaxies, Groups and Large-Scale Structure

1999-08-24

arxiv.org/abs/astro-ph/9908263v1

Astronomy and Astrophysics

Astrophysics

10 pages; Invited talk at the IAU Colloquium 174 "Small Galaxy Groups", Turku, Finland, 13-18 June 1999, M. Valtonen and C. Fl

Scientific paper

For the first time, the combination of semi-analytic modelling of galaxy formation and N-body simulations of cosmic structure formation enables us to model, at the same time, both the photometric and the clustering properties of galaxies. Two Cold Dark Matter Universes provide a reasonable fit to the observed properties of galaxies, groups and clusters, including luminosities, colours, density and velocity biases. We show how the properties of galaxies and groups on small scales are inextricably connected with the global properties of the Universe.

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