Chemo-dynamical simulations of galaxies

Details Chemo-dynamical simulations of galaxies Chemo-dynamical simulations of galaxies

2009-11-05

arxiv.org/abs/0911.0980v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

6 pages, 3 figures, To appear in IAU Symposium 265, Chemical Abundances in the Universe: Connecting First Stars to Planets

Scientific paper

We simulate the formation and evolution of galaxies with a self-consistent 3D hydrodynamical model including star formation, supernova feedback, and chemical enrichment. Hypernova feedback plays an essential role not only in solving the [Zn/Fe] problem, but also reproducing the cosmic star formation rate history and the mass-metallicity relations. In a Milky-Way type galaxy, kinematics and chemical abundances are different in bulge, disk, and thick disk because of different star formation histories and the contribution of Type Ia Supernovae.

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