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Fig. 4.

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Total AB magnitude in the r band from Nanni et al. (2020) as a function of spectroscopic redshift for 122 Chandra J1030 sources with zspec: we do not include the z = 6.3 QSO SDSSJ1030+0525 in this plot, which is not detected in the r-band. BL–AGNs are plotted as blue circles, NL–AGN as red squares, ELGs as cyan diamonds, and ETGs as orange stars.

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