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Fig. 5

image

Top to bottom: ISW power spectra of the RV (long-term trend and orbital frequency considered as known constituents), FWHM, BIS, SMW (no known constituent) timeseries. The vertical red line indicates the orbital period of the transiting planet. The grey region at low frequencies delimits the interval where the rotational frequency is expected from the K2 photometry. The horizontal lines mark the 1% FAP.

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