Fig. 6
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GLS periodograms of the CARMENES RV measurements taken with the optical channel, RV residuals (i.e., linear trend and planet signal removed), spectral activity indices, and window function. The horizontal lines represent the FAP levels of 10% (purple dotted line) and 1% (blue dash line). The vertical black line marks the orbital period of Wolf 327b (P = 0.5734 day).
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