Fig. 4.

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Stacked periodogram of the 2497 sample stars calculated for the TESS light curves from Hey & Aerts (2024). Each row corresponds to the amplitude spectrum of one star in the gravity-mode sub-sample treated here, sorted by the dominant mode period. For all these 2497 pulsators, the dominant mode period occurs in the ridge of prograde dipole gravito-inertial (k, m) = (0, 1) modes.
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