Dissipative Collapse of a Spherical Cluster of Gas Clouds

Details Dissipative Collapse of a Spherical Cluster of Gas Clouds Dissipative Collapse of a Spherical Cluster of Gas Clouds

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003basi...31..447i&link_type=abstract

Bulletin of the Astronomical Society of India, vol. 31, p.447-450

Astronomy and Astrophysics

Astronomy

Galaxies: Formation

Scientific paper

We investigate the time scale for the dissipative collapse of a spherical cluster of gas clouds by supplementing the scalar virial equation with an evolution equation for the energy. We find that collapse times are more than doubled even for low filling factors f ~ 10-2 - 10-3, for which support by supernovae, usually considered for galactic structure formation models is ineffective.

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