Fig. 11.
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Comparison of dominant tidally perturbed pulsation of V456 Cyg (light grey; Van Reeth et al. 2022b) with our toy model (red; described in Appendix C). Top: observed amplitude modulations as a function of the orbital phase. Bottom: observed pulsation phase modulations as a function of the orbital phase, caused by the geometry of the pulsation amplitude distortion across the stellar surface.
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