Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21541433o&link_type=abstract
American Astronomical Society, AAS Meeting #215, #414.33; Bulletin of the American Astronomical Society, Vol. 42, p.259
Astronomy and Astrophysics
Astronomy
Scientific paper
Many models of star formation have been proposed to explain the origin of the stellar Initial Mass Function (IMF). However, the measured IMF is remarkably robust to the diverse physical properties and initial conditions of both observed molecular clouds and theoretical models. In this work, we use the observed IMF as a basis to calculate the distribution of protostellar masses (PMF) predicted by various star formation theories. Since the masses of embedded protostars cannot be directly measured, we constrain the models using observational estimates of the protostellar lifetime and luminosities. Finally, we discuss how the PMF impinges upon the protostellar luminosity problem.
McKee Christopher
Offner Stella
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