\begin{table}%t1
%\centering
\par
\caption{\label{CO_fit}Results of the 30-m CO spectral line fitting. Formal uncertainties 
are given in parentheses.}
\begin{tabular}{lllllll}
\hline \hline 
\noalign{\smallskip}
    &            &$v_{c}$&$v_{\rm exp}$&$T_{\rm mb}$&$\dot{M}$ &$r_{\rm CO}$  \\ 
    &            &(\kms)     &(\kms)       &(K)&(10$^{-7}$~\mloss)    & (10$^{16}$~cm) \\[-3.2mm]\\
\hline 
(1--0) & broad &6.75 (0.25) &8.00 (0.5)&0.70 (0.05) &4.4 (0.6)  &3.5 (0.2)\\
      & narrow&6.75 (0.25) &2.4 (0.1)  &0.70 (0.05)&0.86 (0.08)&2.2 (0.1)\\ 
(2--1) & broad &7.25 (0.25) &7.65 (0.5) &1.85 (0.1) & 3.4 (0.4) &3.1 (0.2)\\
      & narrow&7.25 (0.25) &2.1 (0.1)  &2.3 (0.1)  &0.64 (0.06)&2.0 (0.1)\\
\hline 
\end{tabular} 
\end{table}