Protostellar formation in rotating interstellar clouds. VII - Opacity and fragmentation

Details Protostellar formation in rotating interstellar clouds. VII - Opacity and fragmentation Protostellar formation in rotating interstellar clouds. VII - Opacity and fragmentation

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...331..370b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 331, Aug. 1, 1988, p. 370-376.

Astronomy and Astrophysics

Astrophysics

60

Binary Stars, Molecular Clouds, Opacity, Protostars, Star Formation, Stellar Rotation, Cosmic Dust, Grain Size, Infrared Radiation, Interstellar Matter

Scientific paper

This paper investigates the effect of variations in the Rosseland mean opacity of dust grains on numerical models of three-dimensional protostellar collapse and fragmentation. In particular, it is found that increasing the dust grain opacity by factors of 3 - 4 has little effect upon the gross characteristics of protostellar fragmentation. As a consequence, theoretical quantities such as the estimated minimum protostellar mass of ≈0.01 M_sun; for Population I star formation are insensitive to the precise value of the opacity.

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