Overstable convective modes in uniformly rotating massive main-sequence stars

Details Overstable convective modes in uniformly rotating massive main-sequence stars Overstable convective modes in uniformly rotating massive main-sequence stars

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.221..365l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 221, July 15, 1986, p. 365-376. Sponsorship: Ministry o

Astronomy and Astrophysics

Astronomy

53

Convective Flow, Main Sequence Stars, Stellar Oscillations, Stellar Rotation, B Stars, Displacement, Eigenvalues, Linear Equations, Partial Differential Equations, Vibration Mode

Scientific paper

The properties of oscillatory convective modes in uniformly rotating massive main-sequence stars have been investigated by solving equations for adiabatic linear non-radial oscillations. The authors found that some overstable convective modes penetrate into the envelope, in which the modes have the properties of higher order g+ modes. In an extreme case the amplitude near the surface is comparable to that in the convective core. A possible relation between such mixed convective-g+ mode pulsations and variable B stars is briefly discussed.

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