Modelling pulsation amplitudes of ξ Hydrae

Astronomy and Astrophysics – Astronomy

Scientific paper

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Convection, Stars: Individual: Ξ Hya, Stars: Oscillations

Scientific paper

Amplitudes of stochastically excited oscillations of models of ξ Hydrae (HR4450) are presented. The theoretical results are compared with the recent measurements by an international group of astronomers announced in the ESO press release 10/02. Using a stochastic excitation model we find fair agreement between estimated velocity amplitudes and the values quoted in the ESO press release.

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