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Theoretical aspects of roAp stars

M. S. Cunha

astro-pharXiv:astro-ph/9805036

Abstract

The theoretical work on roAp stars is reviewed, especially in relation with observational facts that still need to be understood: high frequencies of the modes observed, which can be higher than the theoretical critical cutoff frequency for acoustic modes in these stars; their apparent alignment with the magnetic field, and the fact that some modes cannot be described by a single spherical harmonic.

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