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Modeling of the initial mass function using the Metropolis-Hastings algorithm
Published in Institute of Physics Publishing
Volume: 736
Issue: 2
A stochastic model has been developed for the hierarchical fragmentation of a molecular cloud. Here, the number of fragments, time between successive fragmentation steps, and mass of a fragment are considered as random variables, and fragment masses are generated using the Metropolis-Hastings algorithm. The resulting mass spectra, computed at different projected distances and taking opacity into consideration, show a signature of mass segregation. The critical mass, mass spectrum, and mass segregation are consistent with the observations of young massive clusters in our Galaxy as well as in external galaxies. © 2011. The American Astronomical Society. All rights reserved.
About the journal
JournalAstrophysical Journal
PublisherInstitute of Physics Publishing
Open AccessYes