Excitation of nonradial stellar oscillations by turbulent convection

Details Excitation of nonradial stellar oscillations by turbulent convection Excitation of nonradial stellar oscillations by turbulent convection

Dec 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983pazh....9..728d&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 9, Nov.-Dec. 1983, p. 728-733) Soviet Astronomy Letters (ISSN 0360-0327), vol. 9, Nov.-

Astronomy and Astrophysics

Astrophysics

1

Astrophysics, Convective Flow, Stellar Oscillations, Turbulence Effects, Forced Vibration, Gas Giant Planets, Stellar Rotation, Velocity, White Dwarf Stars

Scientific paper

Resonant excitation of large-scale nonradial oscillations of a star by turbulent convection is considered. Explicit analytic expressions for the oscillation amplitudes are obtained. The effect of uniform axial rotation has been considered. The estimates of the rms velocities of the quadrupole oscillations for solar parameters are in a good agreement with the observations of 160-min oscillations. Estimates of the rms velocities are obtained in the case of nonradial oscillations of the outer convection zones of white dwarfs, Jupiter and Saturn.

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