On the stability of Schwarzschild's triaxial galaxy model

Details On the stability of Schwarzschild's triaxial galaxy model On the stability of Schwarzschild's triaxial galaxy model

Jun 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...257..103s&link_type=abstract

Astrophysical Journal, Part 1, vol. 257, June 1, 1982, p. 103-109.

Astronomy and Astrophysics

Astrophysics

18

Astronomical Models, Galactic Structure, Many Body Problem, Numerical Stability, Disk Galaxies, Particle Density (Concentration), Particle Diffusion, Stellar Motions

Scientific paper

The numerical model for a triaxial galaxy constructed by Schwartzschild (1979) has been tested by means of fully self-consistent three-dimensional n-body numerical experiments that use a representation of this model to start the integration. The integration, study models, initial load, and correcting potential of the experiment are detailed. Preliminary checks included density values, potential values, and integration in potential of an ideal model. The results showed some particle loss and no significant shape change. The model is rugged and robust, and no growing disturbances with growth rate in excess of 0.5 per crossing time could be detected. Runs were done at 50 percent excess halo and with tube orbits reversed.

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