\begin{table}%tC.6
\caption{\label{rclabel_hcg40e}HCG 40e rotation curve.}
\par
%\centering
\par
\begin{tabular}{cccccccc}
\hline \hline \noalign{\smallskip}
           $r$   &  $\sigma_r$   &             $r$   &    $\sigma_r$   &          $v$   & $\sigma_v$   &            $N$  &              Side \\
(kpc) & (kpc) &(\arcsec) &(\arcsec) & (km~s$^{-1}$)& (km~s$^{-1}$) & bins\\
(1)&(2)&(3)&(4)&(5)&(6)&(7)&(8)\\
\hline
            0.78  &            0.00  &             1.9  &             0.0  &              43  &              23  &               1  &               a \\
            0.98  &            0.00  &             2.4  &             0.0  &             -13  &              23  &               1  &               a \\
            0.98  &            0.00  &             2.4  &             0.0  &             113  &              23  &               1  &               r \\
            1.16  &            0.00  &             2.8  &             0.0  &              64  &              23  &               1  &               r \\
            1.28  &            0.00  &             3.1  &             0.0  &              67  &              23  &               1  &               a \\
            1.48  &            0.00  &             3.6  &             0.0  &             139  &              23  &               1  &               a \\
            2.39  &            0.99  &             5.8  &             2.4  &             105  &              23  &               3  &               a \\
            2.86  &            0.76  &             6.9  &             1.8  &             150  &              16  &               3  &               r \\
\hline
\end{tabular}
\tablefoot {(1), (3) Galactic radius. (2), (4) Dispersion around the galactic radius. (5) Rotation velocity. (6) Dispersion on the rotation velocity. (7)~Number of velocity bins. (8) Receding -- r -- or approaching -- a -- side.}
\end{table}