\begin{table}%t3
\caption{\label{Tab_3}Global best-fit tilted-ring parameters of NGC~2685.}
%\centerline
 {\small \begin{tabular}{l l c c}
\hline \hline
Descr.    & Par.\\
\hline
Right ascension (J2000), fitting results & RA$_{\rm fit}$     & \multicolumn{2}{c}{$ \hmsm{08}{55}{34}{92} $} \\
Declination (J2000), fitting results                                       & Dec$_{\rm fit}$    & \multicolumn{2}{c}{$ \dmsm{+58}{44}{04}{4} $} \\
Right Ascension (J2000) from NED                                                  & RA$_{\rm NED}$     & \multicolumn{2}{c}{$ \hmsm{08}{55}{34}{75} $} \\
Declination (J2000) from NED                                                      & Dec$_{\rm NED}$    & \multicolumn{2}{c}{$ \dmsm{+58}{44}{03}{9} $} \\
Heliocentric optical systemic velocity (${\rm km}~{\rm s}^{-1}$)                 & $V_{\rm sys}$  & \multicolumn{2}{c}{$ 875.2 $}                 \\
Type of data cube used for analysis, high-resolution, or low-resolution  &  & High  & Low  \\
Dispersion (${\rm km}~{\rm s}^{-1}$)   & $V_{\rm disp,tot}$ & $ 9.8  $              & $ 10.2 $                \\
Internal dispersion, instrumental dispersion subtracted (${\rm km}~{\rm s}^{-1}$)& $V_{\rm disp,int}$ & $ 9.6  $   & $ 9.6  $                \\
Global scaleheight ($\arcsec$)                                             & $z_0$              & $ 5.4  $              & $ 3.0  $                \\
Global scaleheight ($\rm pc$)                                                     & $z_0^{\rm pc}$     & $ 400  $  & $ 220  $                \\
\hline                  
\end{tabular}}
\medskip
Error in systemic velocity and dispersion: $2.0~{\rm km}~{\rm s}^{-1}$. Error in position and scale height: $6.0^{\prime\prime}~\hat{=}~450~\rm pc$.
\end{table}