Pseudo-power spectrogram of the electron-neutrino energy flux density (top row) for models W15-4 (left), L15-3 (middle), and N20-2 (right), respectively. The panels in the middle row show the corresponding maximum pseudo-power coefficient  as a function of time, and the panels in the lower row give the relative angular variation of the electron neutrino flux density (maximum minus minimum flux density on the sphere divided by the angle-averaged flux density in percent) with time.