\begin{table}%t1
\caption{\label{tab1}Integration limits, luminosity, and {\it uv} fit results of CO blue and red wings.}
%\centering
\par
\begin{tabular}{cccc}
\hline \hline \noalign{\smallskip}
& Velocity range & $L$ $_{\rm CO(1-0)}$ & {\it FWHM} CO \\
& (km s$^{-1}$)  &   K km s$^{-1}$ pc$^2$ & (\arcsec)  \\
\hline
 Blue wing & $-500\div-700$ & 9.3e+07 &0.85($\pm0.61$)\\
 Red wing & $500\div800$ &  2.3e+08 &1.56($\pm0.24)$ \\
 Red+Blue w. & combined &    3.2e+08        & 1.42($\pm0.2)$\\
\hline
\end{tabular}
\end{table}