A comparison of the anelastic and subseismic approximations for low-frequency stellar oscillations: an application to rapidly rotating stars

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dc.creatorDintrans, Boris
dc.creatorRieutord, Michel
dc.date2001-11-22
dc.date.accessioned2026-07-07T02:01:29Z
dc.date.available2026-07-07T02:01:29Z
dc.descriptionAfter showing that the anelastic approximation is better than the subseismic one to filter out acoustic waves when studying low-frequency stellar oscillations, we compute gravito-inertial modes of a typical Gamma-Doradus star using this approximation. We show that eigenmodes can be regular or singular, according to the possible focusing towards attractors of the underlying characteristics. Consequences on the oscillations spectrum are then discussed.
dc.descriptionto appear in the proceedings of the Leuven IAU 185 Colloqium on `Radial and nonradial pulsations as probes of stellar physics', C. Aerts, T. Bedding & J. Christensen-Dalsgaard (eds.)
dc.identifierhttps://arxiv.org/abs/astro-ph/0111446
dc.identifierhttp://arxiv.org/abs/astro-ph/0111446
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/3762
dc.subjectAstrophysics
dc.titleA comparison of the anelastic and subseismic approximations for low-frequency stellar oscillations: an application to rapidly rotating stars
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