It takes a village to raise a tide: non-linear multiple-mode coupling and mode identification in KOI-54
It takes a village to raise a tide: non-linear multiple-mode coupling and mode identification in KOI-54
We explore the tidal excitation of stellar modes in binary systems using Kepler observations of the remarkable eccentric binary KOI-54 (HD 187091; KIC 8112039), which displays strong ellipsoidal variation as well as a variety of linear and nonlinear pulsations. We report the amplitude and phase of over 120 harmonic and …