\begin{table}%t6
\caption{\label{rv}Spectroscopic binaries and stars with possible $RV$ variations.}
%%\centering

\par
\begin{tabular}{r r r c l}                  
\hline            
\hline\noalign{\smallskip}            
HIP      & $RV$ [km~s$^{-1}$]& $RV$ [km~s$^{-1}$]& Ref. & var \\
         & this paper & literature &      & \\
\hline
92637    &  $-$22.0~$\pm$~2.8 &    27~$\pm$~36~~ & (1) & SB1?\\
96277    &  $-$0.52~$\pm$~1.16\tablefootmark{a}  &      ...~~~~~      &...  & ~~?\\
96299~A &  $-$7.77~$\pm$~1.22  &      ...~~~~~      &...  & SB2\\ 
96299~B &     45.13~$\pm$~1.26 &      ...~~~~~      &...  & ...\\
96762    &     16.51~$\pm$~1.10 &    24~$\pm$~6.2~ & (2) & SB1?\\
97254    &   $-$4.28~$\pm$~6.19 & $-$23~$\pm$~1.5~ & (2) & SB1\\
97724    &  $-$14.76~$\pm$~4.05 & $-$31~$\pm$~3.4~ & (2) & SB1\\
98551~A &  $-$23.44~$\pm$~3.29 &      ...~~~~~      &...  & SB2\\
98551~B &     44.64~$\pm$~1.97 &      ...~~~~~      &...  & ...\\
98814    &  $-$40.70~$\pm$~3.51 & $\gamma = 8$~~     & (4) & SB1\\
\hline
\end{tabular}
\tablefoot{
\tablefoottext{a}{Mean of the three $RV$ values reported in Table~\ref{param}.}
(1)~\citet{Dworetsky1982}; (2)~\citet{Fehrenbach1990}; (3)~\citet{Fehrenbach1997}; 
(4) \citet{Struve1946}.}
\vspace{4mm}
\end{table}