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Fig. 5.


Color-magnitude relation for the HerS/SDSS quasars by Dong & Wu (2016, cyan dots), the Seyfert galaxies by García-González et al. (2016, magenta crosses), and the high-z galaxies by Barišić et al. (2017, black squares). The β-to-MUV relation derived by fitting the HerS/SDSS quasars (blue solid line) is shown superimposed to the data. For comparison, the relation valid for galaxies at z ∼ 5 (Bouwens et al. 2014, red dashed line) is also shown.

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