\begin{table}%t2
\caption{\label{tab:ch4-vel-disp-meas-highi}Summary of previous observations of gas velocity dispersion of highly inclined galaxies.}
%\centering
\par
\begin{tabular}{lcccccccccc}
\hline \hline \noalign{\smallskip}
Galaxies & $i$ & Type & H{\scriptsize I} Velocity & 
\multicolumn{2}{c}{Resolution} &
\multicolumn{3}{c}{H{\scriptsize I} radius} & Distance & Ref. \\
& & & dispersion & spectral &
spatial &  &  & & & \\
& \dg & & & \kms & kpc & $R_{25}$ & kpc & $\theta_{\rm maj}$ & Mpc &  \\
\hline \noalign{\smallskip}
NGC 4244 & $84.5$\tablefootmark{c} & Scd & constant\tablefootmark{d} & 5.2\tablefootmark{a} & 0.17 & 630 & 11.0 & 2.0 & 3.6 & \citet{olling1996a} \\
ESO142-G24  & 90\tablefootmark{b}    & Scd    & constant\tablefootmark{e} & 6.6\tablefootmark{a}   & 3.8 & 19.0    & 1.6      & 5.0    & 26.6 & \citet{kvdkdb2004} \\
ESO157-G18  & 90\tablefootmark{b}    & Scd    & constant\tablefootmark{e} & 6.6\tablefootmark{a}    & 2.6     & 11.1    & 1.3      & 4.3    & 18.1 & \citet{kvdkdb2004} \\
ESO201-G22  & 90\tablefootmark{b}    & Sc    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 9.0     & 34.1    & 1.5      & 3.8    & 55.4 & \citet{kvdkdb2004} \\
ESO240-G11  & 90\tablefootmark{b}    & Sc   & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 1.7     & 41.5    & 1.4     & 24.2    & 38.1 & \citet{kvdkdb2004} \\
ESO263-G15  & 90\tablefootmark{b}    & Sc    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 5.1     & 24.8    & 1.5      & 4.8    & 35.2 & \citet{kvdkdb2004} \\
ESO269-G15  & 90\tablefootmark{b}    & Sc    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 7.5     & 19.9    & 1.0      & 2.7    & 46.7 & \citet{kvdkdb2004} \\
ESO321-G10  & 90\tablefootmark{b}    & Sa    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 7.3       & 14.5    & 1.2      & 2.0    & 41.0 & \citet{kvdkdb2004} \\
ESO416-G25  & 90\tablefootmark{b}    & Sb    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 17.7     & 36.7    & 1.6      & 2.1    & 67.0 & \citet{kvdkdb2004} \\
ESO435-G14  & 90\tablefootmark{b}    & Sc     & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 7.7     & 18.9    & 1.5      & 2.5    & 35.2 & \citet{kvdkdb2004} \\
ESO435-G25  & 90\tablefootmark{b}    & Sc   & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 2.2     & 36.1    & 1.2     & 16.3    & 32.4 & \citet{kvdkdb2004} \\
ESO435-G50  & 90\tablefootmark{b}    & Sc    & constant\tablefootmark{e} & 6.6\tablefootmark{a}     & 7.1       & 13.1    & 1.4      & 1.9    & 35.2 & \citet{kvdkdb2004} \\
ESO446-G18  & 90\tablefootmark{b}    & Sb    & constant\tablefootmark{e} & 6.66\tablefootmark{a}     & 12.2       & 31.1    & 1.3      & 2.5    & 64.1 & \citet{kvdkdb2004} \\
ESO564-G27  & 90\tablefootmark{b}    & Sc   & constant\tablefootmark{e} & 6.66\tablefootmark{a}     & 10.2       & 28.7    & 1.6      & 2.8    & 29.5 & \citet{kvdkdb2004} \\
NGC 5170     & 90\tablefootmark{b}    & Sc   & constant\tablefootmark{e} & 6.66\tablefootmark{a}     & 7.4        & 31.9    & 1.3      & 4.3    & 20.9 & \citet{kvdkdb2004} \\
\hline
\end{tabular}
\tablefoot {\tablefoottext{a}{Hanning smoothed.} \\
\tablefoottext{b}{From LEDA database.} \\
\tablefoottext{c}{The unwarped inner disk has an inclination of $i=84.5^{\circ}$, outside of which there is a small warp to $i=82.5$~$\pm$ $1^{\circ}$, before warping back to the plane of the    inner disk at large radii \citep{olling1996a}.} \\
\tablefoottext{d}{Direct measurement of the velocity dispersion of the broadening of the extreme velocity envelope of the XV~map of an edge-on galaxy. Measurements corrected for instrumental     broadening, projection and beam-smearing, via Olling's method (see~Sect.~\ref{sec:olling-RC-disp-meth}).} \\
\tablefoottext{e}{Iterative envelope fitting of the XV~map of an high-inclination galaxy integrated over the galaxy minor axis \citep{kvdkdb2004}. This method was unable to measure radial structure of the velocity dispersion, as~the method did not include beam correction and the galaxies in the sample were observed with very large beams.}}
\end{table}