Fig. 2.
Terms involved in the normal force balance at θ = 0.2, according to Eq. (12) for the slightly sub-adiabatic polytropic index n = 1.49, in the case of the (ℓ,m, k) = (3, 3, 1) mode (left) and the (3,3,0) sectoral mode of zero radial order (right). All the quantities are dimensionless but they have been normalised consistently with Fig. 4.
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