Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21442302u&link_type=abstract
American Astronomical Society, AAS Meeting #214, #423.02; Bulletin of the American Astronomical Society, Vol. 41, p.692
Astronomy and Astrophysics
Astronomy
Scientific paper
The origin of the initial mass function and the formation of massive stars have been puzzles in the field of star formation for many years. In order to get closer to solving these puzzles, we use simulations on the scale of a cluster to model the effect of young stars on the molecular gas out of which they form. The stars in our simulation heat the surrounding dust. The hot dust couples to the gas, which can also cool via molecular transitions. Through the use of simulations and our dust-gas energetics algorithm, we can see how young stars affect their environment and the subsequent birth of stars. We find that including dust-gas energetics has a significant and realistic effect on the mass function. We also discuss the various mechanisms by which massive stars form in the clustered environment of our simulations.
This work was funded by a fellowship from NASA-GSRP.
Evans Neal J.
Martel Hugo
Urban Andrea
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