Logarithmic density derivative of the best-fit model for different increasing redshift (from top to bottom) and Amplitude (left to right) bins, as in Fig. 1. The solid blue and the dotted red curves show the logarithmic derivative of the three-dimensional density and projected excess surface mass density profiles computed using the median values of the posterior recovered distributions. The black vertical lines and the dashed grey regions indicate the location of the splashback radius – corresponding to the minimum of the logarithmic derivative of the density profile – with the 16th and 84th percentiles of the distributions. The vertical dotted lines show the position of the minimum of the logarithmic derivative of the ΔΣ profile. The dashed green curves, almost overlapping the blue ones, show the results when assuming Gaussian priors on the parameters α₀, α_ν, β and γ₀ that describe the Einasto profile and the transition term in the DK14 model.