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Table 1.

Information for the nine group halos

Name log Mvir/Ma Rvirb log M*/Mc Ngal SFRd
G1 12.87 0.38 11.36 27 0.46
G2 12.74 0.35 11.14 22 5.16
G3 12.72 0.34 11.10 19 8.78
G4 12.48 0.28 11.04 7 3.70
G5 12.21 0.23 10.75 10 6.29
G6 12.19 0.23 10.55 3 1.89
G7 12.17 0.22 10.75 5 2.67
G8 12.04 0.20 10.53 3 2.60
G9 12.04 0.20 10.20 4 1.45

Notes.

a

Virial mass (M200, c) of halos in logarithmic scale.

b

Virial radius of halos (in Mpc).

c

Stellar mass of the brightest group galaxies.

d

Star formation rate of the brightest group galaxy (in M yr−1).

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