Nonlinear stellar response to the growing spiral gravitational disturbance and its stabilizing effect on the growing mode

Details Nonlinear stellar response to the growing spiral gravitational disturbance and its stabilizing effect on the growing mode Nonlinear stellar response to the growing spiral gravitational disturbance and its stabilizing effect on the growing mode

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apmam..11..901z&link_type=abstract

Applied Mathematics and Mechanics (English Edition) (ISSN 0253-4827), vol. 11, Oct. 1990, p. 901-912. NNSFC-supported research.

Statistics

Computation

Computational Astrophysics, Density Wave Model, Gravitational Effects, Spiral Galaxies, Stellar Motions, Hubble Constant, Morphology

Scientific paper

The ways in which stellar motion and dispersion speed respond to a given growing spiral gravitational disturbance are studied. It is shown that the nonlinear stellar response to a growing spiral mode will lead to an increase in velocity dispersion. It is found that the larger the amplitude and the higher the growth rate, the faster the increase in velocity dispersion.

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