Fig. 17.
CLOUDY models of H2O/OH163 μm luminosity ratios. Model predictions are reported for QSO PJ231−20 (solid and dotted lines indicate values and their uncertainties) and 3σ upper limits for its companion (dashed lines). The dashed gold area reports the constraints retrieved from QSO PJ308−21 detections. The clouds’ column density of the models is NH = 1024 cm−2.
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