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Possible Mechanisms of Single and Multiple Star Formation

Published online by Cambridge University Press:  03 August 2017

G. J. Odgers  and
R. W. Stewart
G. J. Odgers
Affiliation:
Dominion Astrophysical Observatory, Victoria, B. C., Canada
R. W. Stewart
Affiliation:
Department of Physics, University of British Columbia, Vancouver, B. C., Canada

Extract

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If we suppose that at least some stars are the result of the gravitational collapse of HI clouds, it seems necessary to consider Jeans' criterion. This can be derived by a number of arguments, but for our purpose it is sufficient to consider it a result of dimensional analysis, and we get where G is the gravitational constant, M is a typical dimension, and V is a characteristic velocity comprising all velocities interior to the region of gas being considered.

Type
Part IV: Cooling and Condensation of Interstellar Matter
Information
Symposium - International Astronomical Union , Volume 8: Cosmical Gas Dynamics , July 1958 , pp. 1017 - 1019
Copyright
Copyright © American Physical Society 1958 

References

1 Chandrasekhar, S. and Fermi, E., Astrophys. J. 118, 116 (1953).CrossRefGoogle Scholar

2 Odgers, G. J. and Stewart, R. W., J. Roy. Astron. Soc. Canada 51, 97 (1957).Google Scholar