The Effect of a Poloidal Magnetic Field on the Radial and Non-Raidal Oscillations of a Gaseous Mass

Details The Effect of a Poloidal Magnetic Field on the Radial and Non-Raidal Oscillations of a Gaseous Mass The Effect of a Poloidal Magnetic Field on the Radial and Non-Raidal Oscillations of a Gaseous Mass

Aug 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971ap%26ss..12..424f&link_type=abstract

Astrophysics and Space Science, Volume 12, Issue 2, pp.424-455

Astronomy and Astrophysics

Astrophysics

9

Scientific paper

The oscillations of a polytrope with infinite electric conductivity containing a weak internal poloidal magnetic field which is continuous with an external dipole field are examined with the aid of a variational equation. The corrections to the fundamental characteristic frequencies of the radial and non-radiall=2 pulsation modes are calculated. The magnetic field removes a degeneracy which occurs between these two modes and the resulting frequency splitting is evaluated. The relevance of the results to the known magnetic stars is briefly discussed.

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