Search for candidate planets signals in activity indicators, posterior distribution. The blue vertical lines represent the median value of the posterior distribution. Panel a) Posterior distribution of candidate signal b in FWHM. Panel b) Posterior distribution of the period of candidate b in FWHM. Panel c) Posterior distribution of the amplitude of candidate b in S index. Panel d) Posterior distribution of the period of the candidate b in S index. Panel e) Posterior distribution of the amplitude of candidate b in $\log R_{\mathrm{H}\mathrm{K}}^{\mathrm{\prime }}$. Panel f) Posterior distribution of the period of candidate b in $\log R_{\mathrm{H}\mathrm{K}}^{\mathrm{\prime }}$.