The Formation and Evolution of Disk Galaxies

Details The Formation and Evolution of Disk Galaxies The Formation and Evolution of Disk Galaxies

1998-09-28

arxiv.org/abs/astro-ph/9809360v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, to appear in proceedings of the Xth Recontres de Blois, "The Birth of Galaxies"

Scientific paper

We review some of our recent progress in modelling the formation of disk galaxies in the framework of hierarchical structure formation. Our model is not only consistent with the local observations, but also provides a good description of disk evolution out to redshift z~1. We use this model to interpret recent observational results on Lyman-break galaxies (LBGs) at z~3. Assuming that these galaxies are associated with the most massive halos and adopting an empirical law for their star formation rates, we find that many properties of the LBG population, including their correlations, sizes and kinematics can be accommodated in the model.

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