\begin{table}%t1 
\caption{\label{table:btf:mapping-params}Properties of the data.}
\small
%\centerline
{
\begin{tabular}{lcrrrrccc}
  \hline\hline
  \multicolumn{1}{c}{ID} & Date & \multicolumn{1}{c}{length} & \multicolumn{1}{c}{${b_{\rm maj}}$} &  \multicolumn{1}{c}{${b_{\rm min}}$}  &\multicolumn{1}{c}{PA} & Noise/channel & Pixel size & Channel width \\
  ~ & of Obs. & \multicolumn{1}{c}{of Obs.} & \multicolumn{1}{c}{\arcsec} & \multicolumn{1}{c}{\arcsec} & \multicolumn{1}{c}{\degr}  & ${\rm~mJy\ beam^{-1}}$ & \arcsec &~{km}~{s}$^{-1}$\\
  \multicolumn{1}{c}{(1)} & (2) & \multicolumn{1}{c}{(3)} & \multicolumn{1}{c}{(4)} & \multicolumn{1}{c}{(5)} & \multicolumn{1}{c}{(6)} & (7) & (8) & (9) \\
   \hline
  D500-2  & 01-05-2002 & 12h & 25.0 & 10.6 & 0.0 & 1.0 & 5 & 4.12 \\
  D500-3  & 03-05-2002 & 12h & 33.0 & 12.3 & 0.0 & 0.6 & 5 & 4.12  \\
  D512-2  & 16-05-2004 & 12h & 28.9 & 13.4 & 0.6 & 0.9 & 4 & 2.10 \\
  D564-8  & 08-05-2002 & 12h & 36.4 & 12.8 & 0.0 & 0.6 & 5 & 4.12\\
  D572-5  & 10-05-2004 & 12h & 86.6 & 24.0 & $-$0.2 & 1.2 & 4 & 2.10 \\
  D575-1$^a$ & 07-05-2004 & 12h & 48.2 & 18.4 & 0.2 & 0.9 & 4 & 2.10 \\
  \nodata   & 12-05-2004 & 12h &\nodata & \nodata&\nodata &\nodata & \nodata& \nodata\\
  D575-2$^b$ & 09-05-2004 & 12h & 45.6 & 14.0 & $-$3.5 & 0.6 & 4 & 2.10\\
  \nodata& 13-05-2004 & 10h &\nodata &\nodata &\nodata &\nodata &\nodata &\nodata \\
  \nodata& 17-10-2004 & ~7h & \nodata&\nodata &\nodata &\nodata &\nodata &\nodata \\
  D575-5  & 05-05-2004 & 12h & 37.5 & 11.3 &$-$0.1 & 1.1 & 4 & 2.10 \\
  D631-7  & 04-11-2004 & 12h & 57.7 & 12.0 & 0.2 & 1.1 & 4 & 2.10 \\
  D640-13 & 10-11-2004 & 12h & 70.8 & 11.5 & $-$0.1 & 1.1 & 4 & 2.10 \\
  D646-7  & 11-05-2004 & 12h & 133.8 & 20.6 & 0.6 & 1.4 & 4 & 2.10 \\
  \hline
\end{tabular}}
\smallskip
$^a$ {The data for D575-1 are combined from two individual observations.}\\
 $^b$  {The data for D575-2 are combined from three individual observations.}\\
{Notes:} (1)~galaxy identifier; (2)~date of
observations; (3)~length of observations; (4, 5)~major and minor axis
diameter of the robust weighted beam in arcsec; (6)~position angle of
the beam (in degrees), measured counter-clockwise from the north; (7)~noise per channel in~mJy~beam$^{-1}$; (8)~pixel size in arcsec; (9)~channel width in~{km}~{s}$^{-1}$.
%\vspace*{4mm}
\end{table}