\begin{table}%t2
%\centering
\par
 \footnotesize
\caption{Radial and rotational velocities 
and membership for part of the stars of the JJ97 sample.\label{memberJJ97}}
\begin{tabular}{ccccc}
\hline
\hline
No. & $RV$ & $N$ & $V \sin i$ & Spectroscopic membership \\
JJ97 & [km s$^{-1}$] & & [km s$^{-1}$] &(CORAVEL) \\
\hline
1 &$-$15.79~$\pm$~0.33 & 3 & 11.6~$\pm$~1.1 & M \\
3  &$-$15.57~$\pm$~2.36 & 2 & 65.8~$\pm$~13.4& M \\
6  &$-$14.49~$\pm$~0.50 & 3 & 19.4~$\pm$~1.2 & M \\
7  &$-$19.15~$\pm$~0.45 & 2 & 12.0~$\pm$~1.5 & M,~SB \\
8  &$-$14.74~$\pm$~0.54 & 1 &  4.3~$\pm$~2.9& M \\
19 & $-$12.71~$\pm$~0.47 & 1 &  5.2~$\pm$~3.1& M \\
22  & $-$15.37~$\pm$~0.53 & 3 & 17.3~$\pm$~1.5& M \\
24  &$-$13.24~$\pm$~0.53 & 1 &  7.8~$\pm$~2.9 & M \\
27  &$-$11.19~$\pm$~0.59 & 1 & 15.5~$\pm$~2.1 & M,~SB2 \\
29  & $-$13.45~$\pm$~0.65 & 3 &  4.2~$\pm$~1.9& M,~SB? \\
31 & $+$34.44~$\pm$~7.37 & 2 & 19.2~$\pm$~1.3 & M,~SB \\
33 & $-$14.91~$\pm$~0.38 & 1 & $<$3.2   & M\\
34 & $-$6.31~$\pm$~1.96 & 2 &  6.8~$\pm$~3.0 & M,~SB \\
36&$-$24.67~$\pm$~3.24 & 2 & 12.6~$\pm$~2.4 & M,~SB \\
\hline
\end{tabular}
\end{table}