Fig. 1
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Periodogram of the activity indicator Hα (in red), after removing a long term drift of ~8000 days, together with the periodogram of the residuals of the RV time-series (in blue) after removing the 14 and 5 day signals. We can see that both peaks are independent. False alarm probability (FAP) thresholds are shown as horizontal lines for FAP = 10, 1 and 0.1%.
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