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Table A.1

Parameters of a selected sample of groups as they appear in our 2MRS group catalogue.

Group ID α group δ group z group log 10(Ltot,Ks) log 10Ltot,Ks) log 10(Lobs,Ks) log 10(ΔMgroup) N M σ group R group a group D L N group
[°] [°] [log 10(L)] [log 10(L)] [log 10(L)] [log 10(M)] [log 10(M)] [log 10(M)] [log 10(M)] [km s-1] [kpc] [°] [Mpc]

8 187.9967 14.4204 0.0049 13.00 0.21 12.99 14.80 0.14 11.04 15 12.63 668.9 1376 3.9046 20.4 205
10 54.7163 35.5944 0.0046 12.37 0.21 12.36 13.95 0.14 12.11 27 11.46 308.5 438 1.3365 19.9 41
91 192.5164 41.3820 0.0121 12.78 0.21 12.74 14.59 0.14 12.53 45 12.36 847.2 457 0.5334 50.3 67
279 157.6104 35.3595 0.0101 12.37 0.21 12.33 14.15 0.14 12.26 27 11.80 522.6 333 0.4635 42.0 39
298 243.7661 60.9072 0.0167 13.04 0.21 12.97 14.88 0.14 11.87 3 12.46 751.2 738 0.6271 69.7 104
344 49.9510 41.5117 0.0171 12.97 0.21 12.90 14.89 0.14 12.15 9 12.56 1064.3 465 0.3874 71.1 100
354 159.1784 27.5283 0.0131 12.68 0.21 12.63 14.56 0.14 12.53 47 12.25 634.8 627 0.6778 54.5 76
400 21.5025 1.3451 0.0171 12.52 0.21 12.45 14.34 0.14 11.49 6 11.93 456.5 581 0.4841 71.1 39
442 195.0338 27.9770 0.0241 13.16 0.21 13.00 15.02 0.14 12.96 78 12.62 945.4 667 0.3975 100.9 82
539 28.1936 36.1518 0.0154 12.66 0.21 12.59 14.45 0.14 11.85 9 12.00 442.6 728 0.6712 64.1 54
1007 176.0090 19.9498 0.0223 12.85 0.21 12.72 14.66 0.14 12.69 40 12.20 591.0 654 0.4183 93.4 47
2246 201.9870 31.4955 0.0509 13.71 0.21 12.90 15.22 0.14 12.77 11 12.67 788.8 1086 0.3150 218.2 22

Notes. Column 1: 2MRS group ID; Cols. 2 and 3: equatorial coordinates of the group centre; Col. 4: redshift of the group centre; Col. 5: total group luminosity in the Ks band; Col. 6: uncertainty of the total group luminosity; Col. 7: observed group luminosity in the Ks band; Col. 8: group mass; Col. 9: uncertainty of the group mass; Col. 10: stellar mass; Col. 11: number of galaxies in the group with stellar masses available; Col. 12: dynamical mass of the group; Col. 13: group velocity dispersion; Col. 14: physical group radius; Col. 15: angular group radius; Col. 16: luminosity distance to the group centre; and Col. 17: detected group members.

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