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Vertical Oscillations in Protostellar Disks. II. Free Modes and Resonances
1998
Astrophysical Journal
Using the mathematical framework developed in the preceding paper, I analyze vertical oscillations in self-gravitating, protostellar disks. After calculating the equilibrium stratiÐcation, I Ðnd the set of normal modes and discuss their radiative damping. Global, spiral-type perturbations of the disks induce horizontal motions that drive these oscillations, giving rise to resonances at discrete radii. Disks with plausible distributions of surface density and temperature may contain one or more
doi:10.1086/305405
fatcat:tcjy5rrsezf5xmjh32k4jwk2x4