Two-dimensional histograms of simulated WCI, RBI for the Hα emission line. Same as Fig. 2, but only the models that reproduce the μ^cont and μ^BLR values measured for the Hα emission line are shown, i.e., 2.2 ≤ μ^cont ≤ 2.7 and 2.09 ≤ μ^BLR ≤ 2.35 (Table 1). The WCI and RBI values measured for Hα are plotted with their uncertainties as a small rectangle superimposed on the simulated WCI, RBI distributions.