Fig. 9.
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Regression analysis results for the covering factor and bolometric luminosity for the low-z quasars with S/NW3 & W4 > 5. The blue and orange lines are the same as in Fig. 5. The green line corresponds to the regression from Toba et al. (2021) fitted to the model with torus dust only, while the red line is the sum of regressions fitted to the torus and polar dust models separately.
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