Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..393..445k&link_type=abstract
The seventh astrophysical conference: Star formation, near and far. AIP Conference Proceedings, Volume 393, pp. 445-448 (1997).
Astronomy and Astrophysics
Astrophysics
Molecular Clouds, H2 Clouds, Dense Clouds, And Dark Clouds, Origin, Formation, Evolution, Age, And Star Formation, Mass And Mass Distribution
Scientific paper
I discuss a connection between the mass spectrum of interstellar gas clouds and the mass spectrum of formed stars. Turbulent processes create the hierarchy of interstellar clouds with mass spectrum ~M-3/2. This mass spectrum is directly related to the mass spectrum of stellar population of young stellar cluster. This relationship is explored in terms of the partial effectiveness of star formation, i.e., the number of stars of mass m formed in a cloud of mass M per unit interval of stellar mass. This function transfers the statistical properties of the interstellar cloud population to the statistical properties of the stellar population. It is shown that newly formed stars are not homogeneously distributed in the interval of allowed stellar masses. Their distribution is peaked around some specific mass (depending on cloud mass) and decreases rapidly outside the vicinity of this mass.
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