Fig. 3
Generalised Lomb-Scargle periodogram of the HARPS RVs (first panel), the CCF BIS and FWHM (second and third panels, respectively), the Ca II H and K S-index (fourth panel), and of the window function (fifth panel). The vertical dashed red line marks the frequency of the transit signal. The horizontal dashed blue line marks the FAP = 0.1% level.
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