Fig. 15

Distribution of QSOs with detected and non-detected ENLRs in the MBH-Lbol plane. The ENLR luminosity or its upper limit is encoded in the symbol size. QSO with detected ENLR are indicated by filled symbols and non-detections by grey open symbols, respectively. Solid and dashed lines correspond to constant Eddington ratios of λ = 1 and λ = 0.1, respectively.
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