Fig. 5.
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Redshift versus absolute magnitude at 1450 Å, M1450, for the new Euclid-discovered quasars (red squares), compared to pre-Euclid quasars (grey squares), including the SHELLQs sample (light blue squares). Yellow circles represent LBGs compiled from Matsuoka et al. (2016, 2018a,b, 2019a, 2022, 2025), Bouwens et al. (2022), Roberts-Borsani et al. (2024, 2025), Harikane et al. (2025). Green triangles denote faint AGN candidates discovered with JWST with rest-frame UV spectroscopic observation (Harikane et al. 2023; Kokorev et al. 2023; Larson et al. 2023; Maiolino et al. 2024; Schindler et al. 2025; Lin et al. 2026). The right-hand axis shows the corresponding bolometric luminosity scale converted from M1450.
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