\begin{table}%t1
\caption{The CWSR sample.}\label{list sources}
%%\centering
\par
\begin{tabular}{l c l}
\hline \hline
Name & Obs. date & $z$ \\
\hline
MS0122.1+0903 & 16 Jun. 2000 & 0.339$^*$ \\
MS0158.5+0019 & 16 Jun. 2000 & 0.299$^*$ \\
MS0205.7+3509 & 16 Jun. 2000 & $>$$0.351$$^+$ \\
MS0257.9+3429 & 16 Jun. 2000 & 0.245$^*$ \\
MS0317.0+1834 & Jun. 1984 & 0.190$^\dagger$ \\
MS0419.3+1943 & 16 Jun. 2000 & 0.512$^*$ \\
MS0607.9+7108 & 16 Jun. 2000 & 0.267$^*$ \\
MS0737.9+7441 & 16 Jun. 2000 & 0.315$^*$ \\
MS0922.9+7459 & 13 Jun. 2000 & 0.638$^*$ \\
MS0950.9+4929 & 13 Jun. 2000 & ... \\
MS1019.0+5139 & 13 Jun. 2000 & 0.141$^*$ \\
MS1050.7+4946 & 13 Jun. 2000 & 0.140$^*$ \\
MS1207.9+3945 & Jun. 1984 & 0.616$^\dagger$ \\
MS1221.8+2452 & 13 Jun. 2000 & 0.218$^*$ \\
MS1229.2+6430 & 13 Jun. 2000 & 0.164$^*$ \\
MS1235.4+6315 & Jun. 1984 & 0.297$^\dagger$ \\
MS1402.3+0416 & Jun. 1984 & 0.344:$^\dagger$ \\
MS1407.9+5954 & 13 Jun. 2000 & 0.495$^*$ \\
MS1443.5+6348 & 13 Jun. 2000 & 0.299$^*$ \\
MS1458.8+2249 & 13 Jun. 2000 & 0.235$^*$ \\
MS1534.2+0148 & 13 Jun. 2000 & 0.312$^*$ \\
MS1552.1+2020 & 13 Jun. 2000 & 0.222$^*$ \\
MS1757.7+7034 & 13 Jun. 2000 & 0.407$^*$ \\
MS2143.4+0704 & 16 Jun. 2000 & 0.237$^*$ \\
MS2336.5+0517 & 16 Jun. 2000 & 0.74::$^\dagger$ \\
MS2347.4+1924 & 16 Jun. 2000 & 0.515$^*$ \\
\hline 
\multicolumn{3}{l}{($^*$) Redshift from Morris et~al. (\cite{Mor91}).} \\
\multicolumn{3}{l}{($^+$) Redshift from Watson et~al. (\cite{Wat04}).} \\
\multicolumn{3}{l}{($^\dagger$)  Redshift from Rector et~al. (\cite{Rec00}).} \\
\end{tabular}
\end{table}