Star Formation and the Properties of Giant Molecular Clouds in Global Simulations

Details Star Formation and the Properties of Giant Molecular Clouds in Global Simulations Star Formation and the Properties of Giant Molecular Clouds in Global Simulations

Apr 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011iaus..270..377t&link_type=abstract

Computational Star Formation, Proceedings of the International Astronomical Union, IAU Symposium, Volume 270, p. 377-380

Statistics

Computation

Hydrodynamics, Stars: Formation, Ism: Clouds, Galaxy: Disk, Ism: Structure

Scientific paper

We simulated an isolated quiescent Milky Way-type galaxy with a maximum effective resolution of 7.8 pc. Clouds formed in the interstellar medium through gravitational fragmentation and became the sites for star formation. We tracked the evolution of the clouds through 300 Myr in the presence of star formation, photoelectric heating and feedback from Type II supernovae. The cloud mass distribution agreed well with observational results. Feedback suppressed star formation but did not destroy the surrounding cloud. Collisions between clouds were found to be sufficiently frequent to be a significant factor in determining the star formation rate.

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