\begin{table}%T5
\caption{\label{proper}Optical positions and proper motions.}
%\centering
\par
\begin{tabular}{ccc}
\hline
\hline
Star         &  Right ascension (ICRS)                           & Declination (ICRS)
     \\
\hline
HD~135743    &  $229^{\circ}20^{\prime}$17\farcs 93~$\pm$~0\farcs 01   & $-19^{\circ}00^{\prime}$59\farcs 19~$\pm$~0\farcs 01     \\
             &  $-(8.1\pm1.1~{\rm mas~yr}^{-1}) \times (t-2000)$ & $-(40.2\pm0.5~{\rm mas~yr}^{-1}) \times (t-2000)$  \\
 %            &                                                   &
 %    \\
CD-2412231 &  $235^{\circ}22^{\prime}$48\farcs 19~$\pm$~0\farcs 01   & $-25^{\circ}20^{\prime}$36\farcs 44~$\pm$~0\farcs 01     \\
             & $-(21.5\pm0.1~{\rm mas~yr}^{-1}) \times (t-2000)$ & $-(28.5\pm0.3~{\rm mas~yr}^{-1}) \times (t-2000)$  \\
 %            &                                                   &
 %    \\
HD~220338    &  $350^{\circ}45^{\prime}$17\farcs 64~$\pm$~0\farcs 02   & $-06^{\circ}35^{\prime}$43\farcs 72~$\pm$~0\farcs 01     \\
             &  $-(1.2\pm0.5~{\rm mas~yr}^{-1}) \times (t-2000)$ & $-(10.3\pm0.2~{\rm mas~yr}^{-1}) \times (t-2000)$  \\
\hline
\end{tabular}
\end{table}