Fig. 6.
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Mock truth catalog (24 deg2) g-band number counts for Type 1 and Type 2 AGNs, galaxies, and stars. The colored markers show values from the literature (LSST Science Collaboration 2009, Fig. 10.7). The triangles correspond to Hartwick & Schade (1990, up), Beck-Winchatz & Anderson (2007, left and down), and Richards et al. (2006, right), while the squares correspond to Wolf et al. (2003). The open triangle shows the QSONumberCountMetric for the COSMOS DDF (see the text for the details), while the open square shows the expected QSO number counts for the ten-year LSST survey (Li et al. 2025a).
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