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Seismic constraints on rotation of Sun-like star and mass of exoplanet

Auvergne, M.; Baudin, F.; Michel, E. +32 more

Rotation is thought to drive cyclic magnetic activity in the Sun and Sun-like stars. Stellar dynamos, however, are poorly understood owing to the scarcity of observations of rotation and magnetic fields in stars. Here, inferences are drawn on the internal rotation of a distant Sun-like star by studying its global modes of oscillation. We report as…