\begin{table}%t5
 %\centering
\par
\caption{Possible Zeeman patterns.}
\begin{tabular}{c c c c}
\hline
\hline
Sources & Line &  $V_{\rm c}$ & Field \\
        & (MHz)& (km~s$^{-1}$) &   (mG) \\
\hline
20.08$-$0.14 & 1667 & 41.76 & $-$4.3 \\
             &      & 46.70 & $-$4.1 \\
20.24$+$0.07 & 1665 & 71.83 & $-$0.5 \\
             &      & 73.23 & $-$0.5 \\
             &      & 75.31 & $-$1.2 \\
             & 1720 & 74.55 & $+$3.0 \\             
21.87$+$0.01 & 1665 & 20.95 & $+$2.9 \\
22.34$-$0.16 & 1665 & 25.15 & $+$0.3 \\
22.35$+$0.06 & 1667 & 78.39 & $+$0.6 \\
23.01$-$0.41 & 1667 & 74.31 & $-$0.2 \\
23.26$-$0.24 & 1665 & 57.22 & $+$3.8 \\
30.76$-$0.05 & 1665 & 90.84 & $-$0.3 \\
             & 1667 & 90.79 & $-$0.8 \\
30.89$+$0.17 & 1667 & 107.18 & $+$0.8 \\
32.05$+$0.06 & 1665 & 92.10 & $-$0.6 \\
             & 1667 & 92.43 & $-$0.6 \\
32.74$-$0.08 & 1720 & 36.38 & $-$1.3 \\
32.98$+$0.04 & 1665 & 79.48 & $+$0.3 \\
33.64$-$0.21 & 1720 & 60.23 & $-$1.0 \\
34.25$+$0.16 & 1667 & 58.33 & $+$0.6 \\
35.79$-$0.17 & 1665 & 59.41 & $-$4.2 \\
             & 1667 & 59.45 & $-$3.7 \\       
\hline
\end{tabular}
\end{table}