\begin{table}%t3
  \caption {\label{lpfor}Parameters of the narrow absorption features seen in the
    two ground-state H$_2^{16}$O transitions. }             
   \vspace{-2mm}    
%\centering
\par
\begin{tabular}{c c c c c}        
\hline\hline    
\noalign{\smallskip}           
Line & $v\rm _{\rm lsr}$ & $T\rm _{\rm MB}$ & $\int T_{\rm MB} {\rm d}v$ & Cont. level \\
     & km~s$^{-1}$ & K & Kkm\ s$^{-1}$ & K\\
\hline                        
 & --$6.2\pm 0.3$ & $0.21\pm0.17$ & $6.2\pm0.31$ & $7.7\pm0.4$\\
1$_{11}$--0$_{00}$  & $-0.34\pm 0.1$ & $1.87\pm0.17$  & $7.8\pm0.39$ & $7.7\pm0.4$\\
 & $+6.1\pm 0.10$ & $0.33\pm0.17$ &  $7.8\pm0.39$ & $9.0\pm0.45$\\
 &  $-6.8\pm 1.0$ & 0.22$\pm0.024$ &  $2.04\pm0.10$ & $1.54\pm0.08$\\
1$_{10}$--1$_{01}$  & $-0.25\pm 0.1$ & $0.81\pm0.024$ & $2.69\pm0.13$ & $1.53\pm0.08$ \\
 &  +6.3$\pm 0.10$ & 0.19$\pm0.024$ & $2.36\pm0.76$ & $1.51\pm0.08$\\
\hline
\end{tabular}   
\vspace{-2mm}
\tablefoot{$\int T_{\rm MB} {\rm d}v$ is the
    intensity integrated over the velocity ranges of the individual
    components (Table~\ref{op}). The continuum level given  is an
    average value for the individual components.}
   %   \vspace{-1mm}
\end{table}