\begin{table}%t3
%\centering
\par
\caption{\label{pmdata}Proper motion data for the brightest stars.}
\begin{tabular}{ccccc}
\hline\hline\noalign{\smallskip}
ID & $\alpha({\rm J}2000)$ & $\delta({\rm J}2000)$ & $\mu_{\alpha}$ UCAC3 & $\mu_{\delta}$ UCAC3 \\ 
& (${\rm^{h m s}}$) & ($^{\circ}$ $'$ $''$) & [mas/yr] & [mas/yr] \\ 
\hline
4 & 20:05:08.50 & --03:33:22.7 &   2.2 $\pm$ 3.9  & --11.9 $\pm$ 6.8 \\
5 & 20:05:07.67 & --03:32:59.3 &  --8.6 $\pm$ 3.4  &  --3.6 $\pm$ 4.1 \\
7 & 20:05:06.07 & --03:33:29.3 & --12.9 $\pm$ 15.2 &  --6.1 $\pm$ 5.4 \\
8 & 20:05:06.78 & --03:33:26.6 & --49.9 $\pm$ 6.1  &  35.5 $\pm$ 6.0 \\
\hline
\end{tabular}
\end{table}