Fig. 7
GLS periodograms of a number of activity indicators based on spectroscopic data obtained by CARMENES, split into two frequency ranges. The vertical lines mark the frequencies of the transiting planet candidate (red solid), the 15.5 d periodicity visible in the RV (blue solid; see Sect. 4.4), and the determined photometric rotation period (dashed green; see Sect. 4.7). The horizontal grey lines show the false alarm probability (FAP) of 10, 1, and 0.1% determined from 10 000 random realisations of the measurements.
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