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Home All issues Volume 711 (July 2026) A&A, 711 (2026) A19 Full HTML

Fig. 5.

Fig. 5. Refer to the following caption and surrounding text.

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Hyper colour-colour diagram obtained using Euclid-like photometry, showing separation of mock red quasars from COSMOS2020 galaxies (gold contours) and AGN candidates (in purple). The proposed selection function is displayed via the grey dashed lines.

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