Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ap%26ss.193...17k&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 193, no. 1, July 1992, p. 17-28. Research supported by Council of Scientif
Astronomy and Astrophysics
Astrophysics
5
Brown Dwarf Stars, Molecular Clouds, Protostars, Stellar Mass, Dark Matter, Galactic Evolution, Globular Clusters, Mass Distribution, Star Formation
Scientific paper
Opacity limited fragmentation is considered for a spherically-collapsing isothermal molecular cloud in a low temperature range where molecular hydrogen and grains are the only cooling and opacity sources. The minimum Jeans mass of a fragment is calculated for different values of the parameters. The form of the initial mass function (IMF) is derived for low-mass protostellar fragments for different values of the parameters. They are discussed and compared with observations. A rough estimate of the cloud mass contained in the brown-dwarf regime is given.
Basu Baidyanath
Kanjilal Tanuka
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