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Fig. 5


Temporal examination of pulsations. Sliding amplitude spectra (top panels) show the time evolution of pulsations. Time is on the ordinate, relative frequency on the abscissa and color indicates amplitude in σ. White (saturated) pixels indicate amplitudes above 41, 40, 55, 27, 15, and 40σ for central frequencies of 102.55, 112.9, 124.1, 158.2, 166.0, and 179.9 μHz, respectively. Bottom panels: individual amplitude spectra which make up the sliding amplitude spectra on top. Dashed horizontal lines indicate 5σ. Note that the ordinate scale changes between panels, indicated by the position of the 5σ lines.

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