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Table 1.

Constraints on the maximum redshifts of galaxies at different stellar masses to achieve > 95% completeness.

log10(M*) log10(Mh) Rh z2 × PSF z3 × PSF r A B , 2 × PSF $ r_{AB,\rm 2\times PSF} $ r A B , 3 × PSF $ r_{AB,\rm 3\times PSF} $ zrAB = 17.77
[M⊙] [M⊙] [kpc]
9 11.0 82 0.07 0.04 19.5 18.5 < 0.02
9.5 11.3 102 0.09 0.06 19.4 18.8 0.04
10 11.6 131 0.12 0.075 19.2 18.1 0.06
10.5 12.0 178 0.17 0.10 19.1 17.8 0.1
10.75 12.2 210 0.21 0.13 19.1 17.9 0.12
11.0 12.7 295 0.33 0.19 19.4 18.3 0.15
11.25 13.3 480 0.91 0.37 19.3 19.4 0.19
11.5 14.3 950 > 1 > 1 19.2 19.2 0.25

Notes. From left to right: Galaxy stellar mass, the corresponding average dark matter halo mass, the average halo radius, the redshift at which the projected halo radius equals two (1′) or three (1.5′) eROSITA PSF, the r-band survey depth required to achieve 95% completeness within z2 × PSF or z3 × PSF (we take z = 0.4 to calculate rAB if z2 × PSF or z3 × PSF exceeds 0.4), and redshift within which galaxy survey with r-band survey depth rAB = 17.77 achieves 95% completeness.

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