Raw time series of mean-subtracted: (a) RV, (c) FWHM, (e) R′_HK. Measurements are marked depending on the data source: blue circles for HARPS-pre, and green squares for HARPS-post. (b,d,f) Associated wide-period GLSPs of RV and activity indicators. Three false alarm probability (FAP) levels: 10%, 1%, and 0.1%, split GLSP ordinates in bands of different colour. We highlight the three most prominent peaks in each GLSP.