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Convective Overshooting to Drive g-Modes in γ Dor Stars
Published online by Cambridge University Press: 13 May 2016
Abstract
From considerations of kinetic energy input from turbulent convection into g-mode pulsation, we show that g-mode pulsation may obtain enough energy from the turbulence to overcome damping in the stellar interior. The development of thick convective envelope in the stellar models requires a small value of the convection parameter α = 1.2 to ensure the low mass limit of the γ Dor stars' instability strip to be in agreement with the observations.
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- Session I: Global Structure and Evolution of the Solar Interior
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- Copyright © Astronomical Society of the Pacific 2001