\begin{table}%t2
\caption{The identified groups with significance $\sigma \geq 99\%$.}
\label{tab:groups}
\begin{tabular}{lrrrrrr}
\hline\hline
Cluster & $\alpha$ (J2000) & $\delta$ (J2000) & \# galaxies & $z$ & $\sigma_v$
(km~s$^{-1}$) & Significance\\
\hline
EIS0046-2951      & 00:46:04.2 & $-$29:49:27.6 &17&     0.614 &  $\rm 1400^{+210}_{-610}$&	99.9\\
EIS0046-2951      & 00:46:07.7 & $-$29:51:04.9 &10&     0.671 &   $\rm 865_{-270}^{+120}$ &	99.7\\
\hline
EIS0048-2942      & 00:48:35.4 & $-$29:41:52.4 & 7&     0.402 &  $\rm 1000_{-480}^{+100}$  &	99.4\\
EIS0048-2942      & 00:48:33.4 & $-$29:42:28.9 &33&     0.637 &  $\rm 1080_{-210}^{+150}$  &	$>$99.9\\
\hline
EIS0050-2941      & 00:50:06.2 & $-$29:40:35.3 &12&     0.558 &  $\rm 1375_{-270}^{+190}$  &	99.9\\
EIS0050-2941	  & 00:50:03.0 & $-$29:40:18.1 & 8&     0.616 &  $\rm 970_{-620}^{+210}$  &	99.1\\
\hline
EIS2236-4017      & 22:36:22.0 & $-$40:17:55.0 &12&     0.509 &  $\rm 900_{-260}^{+160}$ &	99.9\\
\hline
EIS2249-3958	  & 22:49:32.1 & $-$39:58:02.9 & 8&     0.710 &   $\rm 380_{-140}^{+ 50}$ &	99.4\\
\hline
\end{tabular}
\end{table}