Fig. 5
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Summary of the down-weighting procedures tested for TILARA (for a detailed description see Appendix E). Top left panel: distribution of the RV values (mean-subtracted and σ-normalized) per observation with the best-fit Gaussian (blue) and Lorentzian (red) models. Top right panel: distribution of the RV standard deviation per line with truncated Gaussian and truncated Lorentzian fits. Bottom left panel: residual RV time series obtained by subtracting the RVs derived using a Lorentzian fit from those derived using a Gaussian fit. Bottom right panel: residual RV time series obtained by subtracting the RVs derived using a truncated Lorentzian fit from those derived using a truncated Gaussian fit. The vertical black line marks 27 June 2019, indicating the transition from ESPRESSO18 to ESPRESSO19.
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