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Table A.3

Properties of galaxy groups in different subsamples: median and semi-interquartile ranges.

Observational group sample

Properties All Low Intermediate High Gaussian Non-Gaussian Not classified
mass mass mass

Number of GGs 583 193 191 199 163 39 127
vcm [km s-1] 8739 ± 1866 7517 ± 1802 8331 ± 1726 9789 ± 1477 8427 ± 2049 8855 ± 2141 8808 ± 1692
σv [km s-1] 157 ± 50 94 ± 20 155 ± 27 228 ± 37 189 ± 47 121 ± 41 154 ± 52
Rvir [Mpc h-1] 0.64 ± 0.22 0.51 ± 0.20 0.57 ± 0.19 0.79 ± 0.21 0.68 ± 0.17 0.76 ± 0.19 0.66 ± 0.24
vir [1012h-1] 9.7 ± 7.7 3.2 ± 1.1 9.5 ± 2.1 26.1 ± 10.2 15.0 ± 9.3 7.0 ± 6.8 9.5 ± 8.4

Mock group sample

Number of GGs 770 309 242 219 297 36 178
vcm [km s-1] 7850 ± 1718 7365 ± 1613 7858 ± 1655 8716 ± 1634 7766 ± 1809 7612 ± 1889 8010 ± 1722
σv [km s-1] 160 ± 51 114 ± 30 160 ± 32 236 ± 45 188 ± 47 185 ± 72 156 ± 53
Rvir [Mpc h-1] 0.50 ± 0.21 0.33 ± 0.16 0.50 ± 0.19 0.70 ± 0.21 0.49 ± 0.21 0.45 ± 0.19 0.45 ± 0.22
vir [1012h-1] 8.1 ± 6.4 3.1 ± 1.1 9.4 ± 2.0 25.7 ± 8.5 10.2 ± 8.4 7.8 ± 12.1 7.0 ± 6.5

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