Fig. 7.
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Butler & Bloom (2011) metrics (or rather their logarithm) non_qso_variability versus qso_variability plot, showing the position of the variable AGN candidates (red dots), distinguishing those in the Gaia-CRF3 sample (blue dots), and the blazars in the BZCAT5 catalogue (green dots). The lines highlight the cuts performed to remove contaminants.
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