Abstract
view Abstract Citations (380) References (11) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Numerical Experiments with a Disk of Stars Hohl, Frank Abstract The evolution of an initially balanced rotating disk of stars with an initial velocity dispersion given by Toomre's local criterion is investigated by means of a computer model for isolated disks of stars. It is found that the disk is unstable against very large-scale modes. After about two rotations the central portion of the disk tends to assume a bar-shaped structure. A stable axisymmetric disk with a velocity dispersion much larger than that given by Toomre's criterion is generated. The final mass distribution for the disk gives a high-density central core and a disk population of stars that is closely approximated by an exponential variation. Publication: The Astrophysical Journal Pub Date: September 1971 DOI: 10.1086/151091 Bibcode: 1971ApJ...168..343H full text sources ADS |
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