Fig. 2

Top: ratio between the contributions to kinetic energy of the ℓ = 3 component and the ℓ = 1 component of a dominated ℓ = 1 mode. Bottom: difference between the pulsation frequencies computed with three coupling terms (M = 3) and with one coupling term (M = 1), divided by the frequency separation between two consecutive mixed modes. Computed for the triplet indicated in thick lines in Fig. 1.
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