Astrophysics > Solar and Stellar Astrophysics
[Submitted on 29 Oct 2024]
Title:Impact of uniform rotation on the stochastic excitation of acoustic modes in solar-like oscillators
View PDF HTML (experimental)Abstract:We evaluate the impact of the rotation on the stochastic excitation of acoustic (p) modes in solar-like pulsators. First, we derive the forced wave equation taking rotation into account and we compute the source terms, which inject energy into the oscillations. We make use of the Rotating Mixing Length Theory (R-MLT) to assess how the convective root mean square velocities are modified by the Coriolis acceleration. Finally, we use the stellar structure and evolution code MESA combined with the stellar pulsation code GYRE to show that the resulting modes amplitudes are inhibited by rotation.
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