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Fig. 11

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Top: timeseries (ν,tlaunch) and (F,tlaunch) obtained by fitting the different Gaussian components in the emission profile (Fig. 9) as described in Sect. 5.1 and applying Eq. (6). Bottom: Fourier transform (Lomb-Scargle periodogram) of the (ν,tlaunch) and (F,tlaunch) coordinates in the blue lobe. The best-fit power-laws (dashed lines), minus the white noise constant γ, are overplotted. The dotted line indicates the largest period T1tani in the periodic model (Table 6); the flux periodogram (and the velocity periodogram, albeit very weakly) also peaks at this value.

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