Power-density spectrum of KIC 9163796. Each panel contains one radial order, depicting the original power spectrum as well as the spectrum smoothed through theMode identifications of the pure (theoretical) p modes for ℓ = 0, 1, 2 and 3 which are indicated with blue, red, green and yellow vertical bars, respectively. The effects of rotation are visible as the splitting of dipole modes (assumed δf = 290 nHz), located in the centre of each panel. The observed PSD is overlaid with the theoretical frequencies of mixed-dipole modes (m = 0, solid thin lines) and the theoretical frequencies of the rotationally split components (m = ±1, dashed thin lines). The components belonging to one rotationally split multiplet are indicated through V -markers at the top of each panel.