Fig. 8
Radio (NVSS) vs. [O III] line luminosity of the FRICAT, sFRICAT, and 3C-FR I samples (black, red, and green points, respectively). The FRICAT sources with z< 0.05 are represented as black dots with a red asterisk superimposed. The green line shows the linear correlation between these two quantities derived from the FR Is of the 3C sample from (Buttiglione et al. 2010).
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