\begin{table}%t5 \caption{\label{table5}Dynamical properties of the E+S~systems.} \small%\centerline { \begin{tabular}{lccccccc} \hline\hline Group & Nr. of & Distance & \multicolumn{2}{c}{Optical group centre} & $v_{\rm group}$ & Velocity & 3D velocity \\ & members & (Modulus) & $\alpha$ (2000)& $\delta$ (2000)& & dispersion & dispersion \\ & & [Mpc (mag)] & [h:m:s] & [$^\circ$:$^\prime$:$^{\prime\prime}$] & [km s$^{-1}$] & [km s$^{-1}$] & [km s$^{-1}$] \\ \hline RR~143 & 6 & 49.6 (33.5) & 06:48:05.6 & --64:10:54 & 3321 $\pm$ 52 & 126 $\pm$ 39 & 214 \\ & 5 & 49.5 (33.5) & 06:47:59.2 & --64:11:57 & 3317 $\pm$ 53 & 123 $\pm$ 42 & 210 \\ Uniform $w_i$ & 6 & 51.1 (33.5) & 06:48:28.9 & --64:02:09 & 3426 $\pm$ 72 & 180 $\pm$ 54 & 304 \\ & 5 & 50.8 (33.5) & 06:47:22.7 & --64:11:57 & 3404 $\pm$ 82 & 189 $\pm$ 66 & 319 \\ RR~210 & 23 & 30.1 (32.4) & 12:06:55.8 & --29:46:47 & 2018 $\pm$ 26 & 123 $\pm$ 18 & 210 \\ Uniform $w_i$ & 23 & 31.5 (32.5) & 12:06:42.8 & --29:44:27 & 2113 $\pm$ 34 & 165 $\pm$ 24 & 273 \\ RR~216 & 23 & 48.1 (33.4) & 12:26:05.5 & --39:38:38 & 3223 $\pm$ 49 & 241 $\pm$ 35 & 414 \\ & 12 & 47.6 (33.4) & 12:26:01.5 & --39:33:50 & 3191 $\pm$ 67 & 229 $\pm$ 48 & 393 \\ Uniform $w_i$ & 23 & 48.6 (33.4) & 12:26:17.1 & --39:40:19 & 3255 $\pm$ 52 & 241 $\pm$ 36 & 411 \\ & 12 & 47.9 (33.4) & 12:25:56.4 & --39:37:55 & 3206 $\pm$ 80 & 273 $\pm$ 58 & 463 \\ RR~242 & 28 & 52.5 (33.6) & 13:20:20.7 & --43:42:06 & 3520 $\pm$ 60 & 323 $\pm$ 45 & 537 \\ & 22 & 52.9 (33.6) & 13:20:54.8 & --43:42:08 & 3546 $\pm$ 65 & 314 $\pm$ 48 & 529 \\ Uniform $w_i$ & 28 & 50.1 (33.5) & 13:20:21.6 & --43:38:07 & 3356 $\pm$ 70 & 368 $\pm$ 51 & 623 \\ & 22 & 50.1 (33.5) & 13:20:44.1 & --43:37:00 & 3354 $\pm$ 76 & 363 $\pm$ 56 & 617 \\ Group & Harmonic & Virial & Crossing &Virial & Projected & Group & $M_\odot/L_\odot$ \\ & radius ($R_{\rm H}$) & radius ($R_{\rm vir}$) & time & mass & mass & luminosity & \\ & [Mpc] & [Mpc] & [$t_{\rm c}$ $H_0$] & [10$^{12}$ $M_\odot$] & [10$^{12}$ $M_\odot$] & [10$^{11}$ $L_\odot$] & \\ RR~143 & 0.170 $\pm$ 0.001 & 0.267 $\pm$ 0.001 & 0.14 $\pm$ 0.02 & 1.5 $\pm$ 0.7 & ~7.8 $\pm$ 6.5 & 1.06 $\pm$ 0.005 & 13 $\pm$ 1 \\ & 0.161 $\pm$ 0.001 & 0.252 $\pm$ 0.001 & 0.09 $\pm$ 0.02 & 1.3 $\pm$ 0.7 & ~5.7 $\pm$ 4.7 & 1.04 $\pm$ 0.004 & 12 $\pm$ 1 \\ Uniform $w_i$ & 0.43 $\pm$ 0.04 & 0.68 $\pm$ 0.06 & 0.16 $\pm$ 0.09 & 7.6 $\pm$ 5.0 & 30.2 $\pm$ 20.6 & 1.13 $\pm$ 0.005 & 66 $\pm$ 5 \\ & 0.31 $\pm$ 0.03 & 0.49 $\pm$ 0.05 & 0.09 $\pm$ 0.07 & 6.1 $\pm$ 4.8 & 21.8 $\pm$ 10.9 & 1.10 $\pm$ 0.005 & 55 $\pm$ 5 \\ RR~210 & 0.053 $\pm$ 0.0001 & 0.083 $\pm$ 0.0002 & 0.14 $\pm$ 0.01 & 0.4 $\pm$ 0.2 & ~6.0 $\pm$ 4.2 & 1.56 $\pm$ 0.001 & ~~2 $\pm$ 0.2 \\ Uniform $w_i$ & 0.44 $\pm$ 0.06 & 0.70 $\pm$ 0.10 & 0.17 $\pm$ 0.21 & 6.5 $\pm$ 4.3 & 16.6 $\pm$ 12.0 & 1.71 $\pm$ 0.001 & 38 $\pm$ 4 \\ RR~216 & 0.35 $\pm$ 0.01 & 0.55 $\pm$ 0.01 & 0.24 $\pm$ 0.03 & 11.1 $\pm$ 3.3 & 63.2 $\pm$ 39.9 & 3.84 $\pm$ 0.010 & 28 $\pm$ 3 \\ & 0.24 $\pm$ 0.01 & 0.37 $\pm$ 0.01 & 0.10 $\pm$ 0.02 & ~6.7 $\pm$ 2.8 & 32.0 $\pm$ 22.0 & 3.14 $\pm$ 0.008 & 21 $\pm$ 3 \\ Uniform $w_i$ & 0.87 $\pm$ 0.09 & 1.36 $\pm$ 0.14 & 0.24 $\pm$ 0.19 & 27.3 $\pm$ 10.0 & 65.4 $\pm$ 42.8 & 3.92 $\pm$ 0.010 & 69 $\pm$ 10 \\ & 0.45 $\pm$ 0.06 & 0.71 $\pm$ 0.10 & 0.10 $\pm$ 0.09 & 18.3 $\pm$ 9.4 & 37.5 $\pm$ 20.4 & 3.71 $\pm$ 0.009 & 57 $\pm$ 9 \\ RR~242 & 0.221 $\pm$ 0.001 & 0.346 $\pm$ 0.001 & 0.09 $\pm$ 0.01 & 12.5 $\pm$ 2.8 & ~92.3 $\pm$ 85.0 & 2.19 $\pm$ 0.005 & 57 $\pm$ 3 \\ & 0.141 $\pm$ 0.001 & 0.221 $\pm$ 0.001 & 0.05 $\pm$ 0.01 & ~7.6 $\pm$ 1.8 & ~31.6 $\pm$ 17.7 & 1.79 $\pm$ 0.005 & 42 $\pm$ 2 \\ Uniform $w_i$ & 0.41 $\pm$ 0.02 & 0.64 $\pm$ 0.02 & 0.10 $\pm$ 0.03 & 29.9 $\pm$ 9.1 & 119.0 $\pm$ 97.3& 1.99 $\pm$ 0.004 & 150 $\pm$ 9 \\ & 0.28 $\pm$ 0.01 & 0.44 $\pm$ 0.02 & 0.06 $\pm$ 0.02 & 20.3 $\pm$ 6.9 & ~59.3 $\pm$ 23.8& 1.61 $\pm$ 0.004 & 125 $\pm$ 7 \\ \hline \end{tabular}} \medskip Notes: the first two rows give the luminosity weighted results for the whole sample (1st~row) and for galaxies within 0.5~$h_{100}^{-1}$~Mpc (2nd~row). In line~3 and~4 the same values are calculated with uniform weights. \end{table}