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Paper: Unveiling Radio Loudness in Quasars
Volume: 311, AGN Physics with the Sloan Digital Sky Survey
Page: 343
Authors: Cirasuolo, M.; Celotti, A.; Magliocchetti, M.; Danese, L.
Abstract: We present a new approach to tackle the issue of radio loudness in quasars. We constrain a (simple) prescription for the intrinsic distribution of radio-to-optical ratios by comparing properties of Monte Carlo simulated samples with those of observed optically selected quasars. We find strong evidence for a dependence of the radio luminosity on the optical one, even though with a large scatter. The intrinsic distribution of the radio-to-optical ratios shows a peak at R*1.4 ~ 0.3, with only ≤ 5 per cent of objects being included in a high R*1.4 tail which identifies the radio loud regime.
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