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Numerical Experiments on the Stability of Spherical Stellar Systems
Published online by Cambridge University Press: 14 August 2015
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The concentric shell model is used to investigate numerically the stability of spherical steady-state stellar systems. Polytropic models with an isotropic velocity distribution are found to be stable almost down to the limiting index n=1/2. ‘Generalized polytropes’, with a distribution function depending on energy and angular momentum, show instability when n is low and the velocity distribution is radially elongated.
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- Copyright © Reidel 1974
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