\begin{table}%tC.5
\caption{\label{rclabel_hcg40c}HCG 40c 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
            0.70  &            0.00  &             1.7  &             0.0  &             -63  &              38  &               1  &               r \\
            1.41  &            0.00  &             3.4  &             0.0  &             -14  &              38  &               1  &               r \\
            2.03  &            0.07  &             4.9  &             0.2  &              68  &              18  &               2  &               r \\
            2.11  &            0.00  &             5.1  &             0.0  &              42  &              38  &               1  &               a \\
            2.49  &            0.00  &             6.1  &             0.0  &              90  &              38  &               2  &               r \\
            2.49  &            0.00  &             6.1  &             0.0  &              52  &              38  &               1  &               a \\
            2.63  &            0.00  &             6.4  &             0.0  &              86  &              38  &               1  &               a \\
            2.63  &            0.00  &             6.4  &             0.0  &             118  &              38  &               1  &               r \\
            2.88  &            0.08  &             7.0  &             0.2  &             122  &              17  &               4  &               a \\
            2.92  &            0.06  &             7.1  &             0.1  &             166  &               6  &               4  &               r \\
            3.91  &            0.42  &             9.5  &             1.0  &             165  &               7  &              23  &               r \\
            4.63  &            0.99  &            11.3  &             2.4  &             176  &               9  &              23  &               a \\
            5.77  &            0.61  &            14.1  &             1.5  &             185  &               5  &              23  &               r \\
            7.28  &            0.37  &            17.8  &             0.9  &             185  &               3  &              23  &               r \\
            8.11  &            1.55  &            19.8  &             3.8  &             201  &               8  &              17  &               a \\
            8.47  &            0.37  &            20.7  &             0.9  &             191  &               2  &              23  &               r \\
            9.87  &            0.53  &            24.1  &             1.3  &             195  &               2  &              22  &               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}