\begin{table}%t2
%\centering
\par
  \caption{ELODIE and SOPHIE radial velocities of HD~132406. All values
    are relative to the solar system barycentre. The uncertainties
  correspond to the photon-noise errors.}
  \label{rad_vel2}
\begin{tabular}{ccc}
\hline
\hline
\noalign{\smallskip}
JD $-$ 2~400~000 & $RV$              & Uncertainty     \\
$[$days$]$         & $[$km~s$^{-1}]$ & $[$km~s$^{-1}]$ \\
\noalign{\smallskip}
\hline
\multicolumn{3}{c}{ELODIE measurements} \\
\hline
\noalign{\smallskip}
53~152.4773 & $-$37.821 & 0.010 \\
53~154.4825 & $-$37.837 & 0.008 \\
53~218.3605 & $-$37.858 & 0.010 \\
53~520.4238 & $-$37.928 & 0.013 \\
53~536.4140 & $-$37.875 & 0.010 \\
53~576.3681 & $-$37.859 & 0.012 \\
53~596.3805 & $-$37.818 & 0.014 \\
53~807.6666 & $-$37.727 & 0.025 \\
53~808.6537 & $-$37.755 & 0.011 \\
53~809.6643 & $-$37.742 & 0.011 \\
53~869.5117 & $-$37.779 & 0.011 \\
53~870.4406 & $-$37.771 & 0.007 \\
53~873.4386 & $-$37.768 & 0.009 \\
53~895.4251 & $-$37.757 & 0.009 \\
53~896.4387 & $-$37.745 & 0.012 \\
53~899.4286 & $-$37.743 & 0.019 \\
53~900.4376 & $-$37.770 & 0.013 \\
\noalign{\smallskip}
\hline
\multicolumn{3}{c}{SOPHIE measurements} \\
\hline
\noalign{\smallskip}
54~080.7252 & $-$37.718 & 0.003 \\
54~173.6848 & $-$37.752 & 0.004 \\
54~187.6332 & $-$37.770 & 0.004 \\
54~230.5803 & $-$37.790 & 0.004 \\
\noalign{\smallskip}
\hline
\end{tabular}
\end{table}