Spiral instabilities: linear and non-linear effects

Sellwood, JA; Carlberg, RG

Sellwood, JA (corresponding author), Univ Arizona, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85722 USA.; Carlberg, RG (corresponding author), Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H4, Canada.

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2021; 500 (4): 5043

Abstract

We present a study of the spiral responses in a stable disc galaxy model to co-orbiting perturbing masses that are evenly spaced around rings. The amp......

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