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Title:
The initial core mass function due to ambipolar diffusion in molecular clouds
Authors:
Kunz, Matthew W.; Mouschovias, Telemachos Ch.
Affiliation:
AA(Departments of Physics and Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA; ), AB(Departments of Physics and Astronomy, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USA; )
Publication:
Monthly Notices of the Royal Astronomical Society: Letters, Volume 399, Issue 1, pp. L94-L98. (MNRAS Homepage)
Publication Date:
10/2009
Origin:
MNRAS
MNRAS Keywords:
diffusion , magnetic fields , stars: formation , stars: luminosity function, mass function , ISM: clouds , ISM: individual: Orion
DOI:
10.1111/j.1745-3933.2009.00731.x
Bibliographic Code:
2009MNRAS.399L..94K

Abstract

We show that the ambipolar-diffusion-initiated fragmentation of molecular clouds leads simply and naturally to an initial core mass function (CMF) which is very similar to the initial stellar mass function (IMF) and is in excellent agreement with existing observations. This agreement is robust provided that the three (input) free parameters remain within their range of values suggested by observations. Other, observationally testable, predictions are made.
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