Line ratio and η-parameter profiles for ESO 544-27 models with varying HOLMES mass. The dots show the observed values, colored according to the η-parameter going from blue at low η to green at high η. The size of each dot is relative to the size of the corresponding Voronoi bin. The curves show the model predictions with the color of the curve corresponding with the model M_T, ranging from 0.0 × M_T. (black) to 2.0 × M_T (red) with 0.5M_T steps.