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Fig. 7.
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Spectral index α5 − 10 vs. the Eddington ratio, the FWHM of the Hβ line (in km/s), the flux ratio RFeII, and MBH. Markers are colored according to the dominant mechanism responsible for the detected radio emission (Table 2). Blue and pink filled circles indicate RQ and RL quasars, respectively, from Laor et al. (2019).
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