Do we understand rotating isothermal collapses yet?

Details Do we understand rotating isothermal collapses yet? Do we understand rotating isothermal collapses yet?

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icar...61...10t&link_type=abstract

(Conference on Protostars and Planets II, Tucson, AZ, Jan. 4-7, 1984) Icarus (ISSN 0019-1035), vol. 61, Jan. 1985, p. 10-21.

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11

Gravitational Collapse, Isothermal Processes, Molecular Clouds, Rotating Environments, Astronomical Models, Interstellar Gas, Scalars, Virial Theorem

Scientific paper

A scalar virial equation is used to describe the dynamic properties of equilibrium gas clouds, taking into account the relative effects of surface pressure, rotation, self gravity and internal isothermal pressure. Details concerning the internal structure of the clouds are ignored in order to obtain a globalized analytical expression. The obtained solution to the equation is found to agree with the surface-pressure-dominated model of Stahler (1983), and the rotation-dominated model of Hayashi, Narita, and Miyama (1982). On the basis of the analytical expression of virial equilibrium in the clouds, some of the limiting properties of isothermal clouds are described, and a realistic 'starting' model for cloud collapse is proposed.

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