\begin{table}%t4
\caption{Estimated parameters of the central \hi\ disc in NGC~4441.} 
\label{n4441rotcur}
%\centering
\small
\begin{tabular}{lc}
\hline\hline
{\bf Estimated parameters} & \\
Disc extent (\arcsec) & 60 \\
Max. velocity (km~s$^{-1}$) & 163 \\
Position angle ($^{\circ}$)& --35 \\
Inclination ($^{\circ}$)& 70 \\
\hline
& \\[-8pt]
$M_{\rm dyn}$ ($10^{10}~M_{\odot}$)& 6.4\\ 
$M_{\rm HI}/M_{\rm dyn}$ & 0.028\\
$M_{\rm dyn}/L_{\rm B}$ ($M_{\odot}/L_{\rm B,\odot}$) & 6.3\\
\hline
\end{tabular}
\end{table}