\begin{table}%t1
\caption{\label{reducprop}Summary of observations.}
%\centering
\par
\begin{tabular}{l l l}
\hline\hline\noalign{\smallskip}
Total on-source integration time &  & $3 \times 12$~h\\
Observation dates &  & 12/14/22 April 2005\\
Bandwidth &  & 16~MHz\\
Number of channels in the cubes &  & 512\\
Channel spacing (d$V$) &  & 6.6~\kms\\
Velocity resolution ($\Delta v$, after Hanning) &  & 13.2~\kms\\
Shortest/longest baseline &  & 77~m/6~km\\
Bandpass/flux calibrator &  & PKS~1934--638\\
Gain/phase calibrator &  & PKS~1315--46\\
\hline
Data cube & high resolution & low resolution\\
Weighting scheme & uniform & robust 0\\
Beam (HPBW) & $8.1\arcsec\times 6.8$\arcsec & $19.6\arcsec\times 18.2$\arcsec \\
Beam position angle & --12.3$^{\circ}$ & --48.3$^{\circ}$\\
rms noise (mJy~beam$^{-1}$) in the cubes & 1.3 & 1.2\\
rms noise ($10^{19}$~atoms~cm$^{-2}$) & 30.92 & 4.45\\
rms noise ($M_{\odot}$~pc~$^{-2}$) & 2.48 & 0.36\\
Peak flux continuum (Jy~beam$^{-1}$) & 4.41 & 4.95\\
rms noise (mJy~beam$^{-1}$) continuum & 32.2 & 26.7\\
\hline
\end{tabular} 
\end{table}