\begin{table}%t3
\caption{\label{imageshr}High resolution CO~and RC~image characteristics.}
%\centerline
{
\begin{tabular}{lllllll}
\hline     
\hline                  
Galaxy   & VLA~data      &   RC-$\theta_{\rm maj}\times\theta_{\rm min}$  &  $\sigma_{\rm RC}$  &  CO-$\theta_{\rm maj}\times\theta_{\rm min}$ & $D_{\rm maj}\times D_{\rm min}^{a}$ & $\sigma_{\rm CO}^{b}$      \\
         &               &   (\arcsec$\times$\arcsec)                 &     (mJy~bm$^{-1}$)     &    (\arcsec$\times$\arcsec)    & (pc$\times$pc)    &   (Jy~bm$^{-1}$~km~s$^{-1}$)  \\ 
         \hline
IC 342   & B+D & $5.5\times5.0$ & 0.05 & $5.6\times5.1$ & $110\times97$ & 4.8 \\  
NGC~4258 & AnB+D & $3.5\times3.3$ & 0.05 & $6.1\times5.4$ & $240\times210$ & 4.8 \\
NGC~4414 & B+D &$5.4 \times 5.4$& 0.08 &$6.4 \times 5.0$&$590 \times 460$& 1.9 \\
NGC~4736 & B+D &$6.1 \times 5.1$& 0.05 &$6.9 \times 5.0$&$140 \times 100$& 3.5 \\
NGC~5005 & B+D &$5.4 \times 5.0$& 0.03 &$6.2 \times 6.0$&$640 \times 620$& 2.9 \\
NGC~5033 & B+D &$5.3 \times 5.0$& 0.07 &$6.1 \times 5.4$&$550 \times 490$& 5.6 \\
NGC~5055 & B+D &$5.5 \times 5.0$& 0.04 &$5.8 \times 5.5$&$200 \times 190$& 3.6 \\
NGC~5194 & B+C &$6.0 \times 4.8$& 0.02 &$5.8 \times 5.1$&$214 \times 188$& 3.1 \\
NGC~6946 & B+C &$5.6 \times 4.9$& 0.10 &$6.0 \times 4.9$&$160 \times 130$& 3.1 \\
\hline
\end{tabular}}
\smallskip
$^a $  The linear resolution refers to the CO~beam.\\
$^b $  $\sigma_{\rm CO}$ is the rms level in the unclipped image of 
integrated intensity.
\end{table}