Dynamical models of spiral galaxies

Details Dynamical models of spiral galaxies Dynamical models of spiral galaxies

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990nyasa.596..114g&link_type=abstract

(Galactic models; Proceedings of the 4th Florida Workshop on Nonlinear Dynamics, Gainesville, FL, Mar. 1, 2, 1989. A91-30826 12-

Astronomy and Astrophysics

Astronomy

2

Dynamic Models, Galactic Bulge, Spiral Galaxies, Stellar Models, Astronomical Photography, Orbital Resonances (Celestial Mechanics)

Scientific paper

The effects of changing the basic parameters of rotation curve steepness, amount of bulge, and pitch angle of the imposed spiral pattern in the galactic model of Contoupolos and Grosbel (1986) are investigated. The general conclusions of the model are confirmed and shown to be insensitive to the specific choice of parameters for the galactic potential. The exact amplitude at which the nonlinear effects at the 4:1 resonance become important do, however, depend on the model.

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