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Fig. 18.

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Radial velocity vr (upper plots) and entropy perturbation s1 (lower plots) of the columnar convective modes along the rotational axis displayed in the equatorial plane for subadiabatic and superadiabatic background. Panels a and b: cases with subadiabatic background δ = −2 × 10−6 for m = 3 and m = 8, respectively. Panels c and d: are the same plots for a superadiabatic background δ = 2 × 10−6. The eigenfunctions are normalized such that the maximum radial velocity is 10 m s−1 at the equator. In all cases, rotation is uniform and the diffusivities are set ν = κ = 1012 cm2 s−1.

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