\begin{table}%T3 
\caption{\label{tab3}Most perturbing neighbors of 10 most 
massive halos in {\tt GalICS} simulation.}
%\centering
\par
\begin{tabular}{r@{\ \ \ \ }cccccc}
\hline
\hline
\multicolumn{1}{c}{rank} 
&~$r_1^{\rm SO}$ &~$M_1^{\rm SO}$ &~$v_1^{\rm SO}$ &~$R$ 
&~$M_2^{\rm FoF}$ 
&~$\eta_{\rm min}$ \\
\multicolumn{1}{c}{(FoF)} 
& (Mpc) & ($10^{14}~M_\odot$) & ($\rm km ~ s^{-1}$) 
&~$\overline{r_1^{\rm SO}}$
&~$\overline{M_1^{\rm FoF}}$ 
 \\
\hline
1    & 3.19      & 16.7~~   & 1503       & 0.55 & 0.011	&3.7\\
2    & 2.42      &  7.4      & 1143       & 0.58 & 0.003	&3.1\\     
3    & 2.50      &  8.1      & 1180       & 0.55 & 0.020	&2.4\\      
4    & 2.54      &  8.5      & 1200       & 0.53 & 0.011	&2.4\\ 
5    & 2.10      &  4.8      &~~989      & 0.62 & 0.001	&2.9\\ 
6    & 2.00      &  4.1      &~~942      & 0.58 & 0.001	&2.5 \\ 
7    & 1.97      &  3.9      &~~927      & 0.57 & 0.031	&3.4\\ 
8    & 1.78      &  2.9      &~~842      & 0.61 & 0.002	&2.5\\ 
9    & 1.84      &  3.2      &~~869      & 0.58 & 0.103	&2.2\\ 
10   & 2.03      &  4.3      &~~958      & 0.51 & 0.003	&2.6 \\ 
\hline
\end{tabular}
\end{table}