Volume 449, Number 2, April II 2006
|Page(s)||673 - 685|
|Section||Stellar structure and evolution|
|Published online||21 March 2006|
Effects of moderately fast shellular rotation on adiabatic oscillations
Instituto de Astrofísica de Andalucía (CSIC), CP 3004, Granada, Spain e-mail: firstname.lastname@example.org
2 LESIA, UMR 8109, Observatoire de Paris-Meudon, France
3 Observatoire de la Côte d'Azur, Nice, France
Accepted: 11 November 2005
We investigate adiabatic oscillations for δ Scuti star models, taking a moderate rotation velocity (around ) into account. The resulting oscillation frequencies include corrections for rotation up to second order in the rotation rate including those of near degeneracy. Effects of either a uniform rotation or a rotation profile assuming local angular momentum conservation of the form on oscillation frequencies are compared. As expected, important differences (around ) are obtained in the g and mixed-mode regions. For higher-frequency p modes, differences range between and . Such differences are likely to be detectable with future space missions such as COROT, where precisions in frequency around are expected to be reached.
Key words: stars: variables: δ Sct / stars: rotation / stars: oscillations / stars: interiors / stars: fundamental parameters / stars: evolution
© ESO, 2006
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.