\begin{table}%T5
%\centering
\par
\caption{The average maser and  IR luminosities.}
\label{t5}
\begin{tabular}{l c c c c c c}
\hline
\hline
 Overlap & $N_{\rm maser}$ & log($L_{\rm OH}$) & log($L_{\rm CH_3OH}$) & log($L_{\rm H_2O}$) & $N_{\rm IR}$ & log($L_{\rm IR}$) \\
\hline
OH/CH$_3$OH/H$_2$O  & 9  &  $-$6.32 $\pm$ 0.14 & $-$5.44 $\pm$ 0.32 & $-$4.72 $\pm$ 0.44 &  5  & 4.62 $\pm$ 0.20 \\
OH/CH$_3$OH         & 12 &  $-$6.72 $\pm$ 0.22 & $-$5.29 $\pm$ 0.24 &                &  4  & 5.12 $\pm$ 0.25 \\
CH$_3$OH/H$_2$O     & 26 &                 & $-$5.60 $\pm$ 0.15 & $-$5.32 $\pm$ 0.19 &  14 & 4.61 $\pm$ 0.19 \\
CH$_3$OH            & 32 &                 & $-$5.94 $\pm$ 0.13 &                &  18 & 3.76 $\pm$ 0.19 \\
\hline
\end{tabular}
\end{table}