\begin{table}%T2
\caption{\label{Tab:vogt}Comparison of $OW3$ [km~s$^{-1}$] (measured velocity width in optical
profiles with corrections for the shape of the rotation curve,
cosmological stretch and converted to edge-on viewing measured
at twice the scale length), $RW2$ [km~s$^{-1}$] (measured 21 cm line profile velocity 
corrected and converted to edge on viewing;
Note: average only with the galaxies which have this datum available), 
$M/L$ [solar units] (corrected mass to light [I-band] ratio;
Note: average only with the galaxies which have this datum available)
for spiral galaxies in Vogt et~al. (2004) catalogue in barred and
non-barred cases as a function of the galaxy type. There are no
barred galaxies with available data in this catalogue of types +6 or
later.}
\small%\centering
\par
\begin{tabular}{lll}
\hline\hline
Galaxy type & Non-barred: (N), $\langle OW3\rangle$,
$\langle RW2\rangle$, $\langle M/L\rangle$ 
& Barred: (N), $\langle OW3\rangle$,
$\langle RW2\rangle$, $\langle M/L\rangle$
\\ 
\hline
+3 & (94), $353\pm 12$, $388\pm 14$, $0.47\pm 0.03$ & (25), $404\pm 26$, 
$434\pm 35$, $0.44\pm 0.06$ \\
\par
+4 & (37), $321\pm 16$, $359\pm 21$, $0.52\pm 0.04$ & (3), $419\pm 36$, 
$391\pm 57$, $0.76\pm 0.09$ \\
\par
+5 & (83), $303\pm 11$, $331\pm 10$, $0.46\pm 0.03$ & (9), $252\pm 28$, 
$295\pm 43$, $0.52\pm 0.11$ \\
\hline
\end{tabular}
\end{table}