Slope of the correlations of accretion luminosity vs. stellar luminosity (top panel), and mass accretion rate vs. stellar mass (bottom panel) for ten clusters of Sco-Cen, plotted against cluster age (Baraffe et al. 2015 Bp-Rp ages). For each cluster, we measured the slope of the correlations in the logarithmic plane, using values calculated with med-GSP-Phot, and only considering sources with pEW <  − 1.0 nm. Only clusters where at least 20 sources could be used in the fit were considered. Each point is colour-coded to match the corresponding fit in Appendix F.