\begin{table}%t1
\caption{\label{tab:line}Empirical models of the broad emission profiles.}\vspace*{-2mm}
%\centering
\par
\begin{tabular}{lllllll}
\hline\hline \noalign{\smallskip}
Line & $v$ & $\Delta v$ & $T$ & & & \\
           & \kms\ &   \kms\ & K & & & \\
\hline
 CH$^+$  & --3.0 & 20.0 & 2.2 & & & \\ 
       p-H$_2$O & --1.0 & 20.0 & 2.16 & & & \\
       C$^+$ &   --1.8   & 20.0  & 22 & & &  \\
              &  0    & 80.0  & 1.0 & & & \\
       HCO$^+$ & --3.6 & 17.0 & 2.8 & & &   \\
\hline
\end{tabular}\vspace*{-3mm}
\end{table}