Gravothermal catastrophe in rotating galaxies |
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| Authors: | M Clutton-Brock |
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| Institution: | (1) Astronomy Centre, University of Sussex, England;(2) Present address: University of Newcastle-upon-Tyne, England |
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| Abstract: | Violent relaxation in a rotating galaxy can lead to a core-halo, system. In order to understand this, a very, crude model is studied in which all details are ignored, and only the dimensions of physical quantities are retained. The behaviour depends on the ratio  of the potential in the core to the potential in the halo. When >5/2, the core contracts; when >5, the contraction is a runaway process, or  gravothermal catastrophe . |
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