Parameters of the fundamental plane of the black hole activity. Left panel: 5 GHz radio luminosity versus black hole mass. The data points are the extrapolated 5 GHz fluxes obtained from the 33 GHz data (Kamali et al. 2017), using a spectral index of 0.21 (see Sect. 5.5.1). Dashed lines represent ξM available in the literature (see Eq. (2)), assuming a constant X-ray luminosity (mean value of our data) and the solid lines represent ξM obtained in this work. Right panel: 5 GHz radio luminosity versus X-ray luminosity. Dashed lines represent ξX available in the literature, assuming a constant black hole mass (mean value of our data) and the solid lines represent ξX obtained in this work.
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