Simulations of Interacting Galaxies Covering More Than Ten Orders of Magnitude

Details Simulations of Interacting Galaxies Covering More Than Ten Orders of Magnitude Simulations of Interacting Galaxies Covering More Than Ten Orders of Magnitude

Jun 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aspc..423..203k&link_type=abstract

Galaxy Wars: Stellar Populations and Star Formation in Interacting Galaxies ASP Conference Series Vol. 423, proceedings of a con

Astronomy and Astrophysics

Astronomy

Scientific paper

We have performed numerical simulations of interacting galaxies in which the evolution of the entire star cluster population is computed, combining parameterised cluster models with an N-body/SPH code. The effect of the (changing) tidal field on cluster evolution is accounted for. We find that star clusters are destroyed in galaxy mergers, despite a strong increase of the star formation rate. The destruction rate decreases with increasing mass, implying that above a certain initial cluster mass the net result is an increase of the number of star clusters, indicating the formation of a cluster population that likely precedes present-day globular cluster systems.

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