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Table 1.

Median and dispersion of the stellar population properties and SFH parameters of the red and blue galaxies in groups and in the field.

SP RG group RG field BG group BG field Group Field BGG
logM [M] 10.78 ± 0.53 10.83 ± 0.58 10.16 ± 0.63 10.05 ± 0.63 10.33 ± 0.66 10.09 ± 0.65 11.12 ± 0.47
⟨logage⟩M [yr] 9.71 ± 0.12 9.67 ± 0.13 9.26 ± 0.23 9.12 ± 0.20 9.36 ± 0.28 9.15 ± 0.23 9.59 ± 0.23
(u − r)res [mag] 2.36 ± 0.15 2.36 ± 0.19 1.68 ± 0.43 1.48 ± 0.40 1.83 ± 0.48 1.52 ± 0.43 2.34 ± 0.35
(u − r)int [mag] 2.04 ± 0.19 2.01 ± 0.18 1.07 ± 0.26 0.93 ± 0.20 1.28 ± 0.48 0.98 ± 0.30 1.82 ± 0.49
AV [mag] 0.5 ± 0.24 0.54 ± 0.30 0.96 ± 0.44 0.86 ± 0.43 0.86 ± 0.45 0.85 ± 0.43 0.66 ± 0.44
⟨logZM [Z] −0.05 ± 0.49 −0.04 ± 0.51 −0.37 ± 0.61 −0.48 ± 0.58 −0.30 ± 0.60 −0.46 ± 0.59 0.02 ± 0.46
t0 [Gyr] 7.7 ± 1.43 7.2 ± 1.54 5.89 ± 1.86 4.79 ± 1.53 6.29 ± 1.93 4.90 ± 1.61 6.86 ± 1.75
τ [Gyr] 0.95 ± 0.36 0.92 ± 0.30 4.6 ± 1.76 5.3 ± 1.30 3.82 ± 2.20 5.10 ± 1.58 1.10 ± 1.94
τ/t0 0.13 ± 0.05 0.14 ± 0.04 0.92 ± 0.71 1.22 ± 0.75 0.68 ± 0.72 1.19 ± 0.77 0.17 ± 0.34
logsSFR [Gyr−1] −1.59 ± 0.62 −1.46 ± 0.75 −0.31 ± 0.37 −0.15 ± 0.26 −0.45 ± 0.72 −0.16 ± 0.47 −1.22 ± 0.90

Notes. The last column presents the properties of the BGG.

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