\begin{table}%tC.9
\caption{\label{rclabel_hcg49c}HCG 49c rotation curve.}
%\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
            0.00  &            0.00  &             0.0  &             0.0  &              21  &              16  &               1  &               a \\
            0.58  &            0.00  &             0.9  &             0.0  &              -5  &              16  &               1  &               r \\
            0.59  &            0.00  &             0.9  &             0.0  &              23  &              16  &               1  &               a \\
            1.04  &            0.11  &             1.6  &             0.2  &              21  &              16  &               3  &               r \\
            1.05  &            0.11  &             1.6  &             0.2  &              44  &               5  &               3  &               a \\
            1.86  &            0.56  &             2.8  &             0.8  &              74  &              11  &               7  &               a \\
            2.10  &            0.45  &             3.2  &             0.7  &              82  &               6  &              16  &               r \\
            4.34  &            1.16  &             6.6  &             1.8  &             112  &               9  &              10  &               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}