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Fig. A.1.
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Comparison of data quality for the M24 and W4 with different restrictions on S/NW4. The panels present (from top to bottom) log LW4 − log LM24 vs log LM24 with S/NW4 > 0, > 3, and > 5. The orange circles indicate the Low-z quasars; the red diamonds are the High-z sources.
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