\begin{table}
\begin{footnotesize}
\begin{center}
\caption[]{\label{sco_einstein} All the 8 stars from Walter et al.\ (1994)
for which proper motion information is available. The 3 stars with RXJ numbers
have been discovered independently by Kunkel et al.\ (1999) as PMS stars.}
\medskip
\begin{tabular}{@{}lr@{\ }r@{}c
                r@{}c@{}r@{}c@{}r@{}c@{}l
                r@{}c@{}r@{}c@{}r@{}c@{}l
                rr@{}lr@{}lllr@{\,}l@{}}
\hline\noalign{\smallskip}
& & & & \multicolumn{7}{c}{RA} &
\multicolumn{7}{c}{DEC} & \multicolumn{1}{c}{$\rm{m}_{\rm V}$} & 
\multicolumn{2}{c}{$\mu_{\alpha}$} 
& \multicolumn{2}{c}{$\mu_{\delta}$} & 
\multicolumn{1}{l}{\raisebox{1ex}[-1ex]{$\sigma_{\mu_{\alpha}}$}
\raisebox{-1ex}[1ex]{\scriptsize \hspace*{-0.6cm}$\cos\delta$}} &
\multicolumn{1}{c}{$\sigma_{\mu_{\delta}}$} &\multicolumn{2}{c}{$d$} \\
\raisebox{1.5ex}[-1.5ex]{object} & 
\multicolumn{3}{c}{\raisebox{1.5ex}[-1.5ex]{cat.\ No.}} &
\multicolumn{7}{c}{($\alpha_{J2000.0}$)} & 
\multicolumn{7}{c}{($\delta_{J2000.0})$} &
[mag] & 
\multicolumn{4}{c}{[mas\,/a]} & 
\multicolumn{2}{c}{[mas\,/a]} & \multicolumn{2}{c}{[pc]} \\
\noalign{\smallskip}\hline\hline\noalign{\smallskip}
NTTS 155203-2338\makebox[0pt][l]{$^{1}$} &                  A 6779 & 1372   & $^{*}$ & 15 & \hour & 54 & \min & 59. & \fsec & 87 & -23 & \degr & 47 & \arcmin & 18. & \farcsec & 2 &  9.03 &   -34.& 1 &   -39.& 4 &   2.20 &   1.58 & & \\
NTTS 155220-2313 & \multicolumn{3}{c}{HIP 77960$^{*}$}       & 15 & & 55 & & 17. & & 59 & -23 & & 22 & &  3. & & 7 &  8.46 &   -17.& 89 &   -26.& 46 &   1.31 &   0.98 & 90 & $^{+12}_{-10}$  \\
NTTS 155828-2232\makebox[0pt][l]{$^{2}$} &                    S 6779 & 174  &        & 16 & &  1 & & 25. & & 67 & -22 & & 40 & & 40. & & 4 & 12.02 &    -5.& &   -20.& &   5.7 &   5.7 & &  \\
NTTS 160153-1922\makebox[0pt][l]{$^{3}$} &                    S 6208 &1239  &        & 16 & &  4 & & 47. & & 73 & -19 & & 30 & & 22. & & 6 & 12.27 &   -14.& &   -10.& &   6.3 &   6.3 & &  \\
NTTS 160814-1857 &                    S 6209 & 968  &        & 16 & & 11 & &  8. & & 87 & -19 & &  4 & & 46. & & 9 & 12.48 &   -26.& &   -26.& &   7.5 &   7.5 & &  \\
NTTS 160905-1859 &                    S 6209 &1039  &        & 16 & & 11 & & 59. & & 25 & -19 & &  6 & & 51. & & 8 & 12.04 &   -22.& &     0.& &   5.7 &   5.7 & &  \\
NTTS 160946-1851 &                     T 6209&1316  & $^{*}$ & 16 & & 12 & & 40. & & 51 & -18 & & 59 & & 28. & & 1 & 11.01 &   -12.& 4 &   -22.& 2 &   4.7 &   2.3 & &  \\
NTTS 161431-2256 &                     T 6793& 501  & $^{*}$ & 16 & & 17 & & 31. & & 39 & -23 & &  3 & & 36. & & 0 & 10.25 &   -12.& 8 &   -17.& 1 &   2.3 &   5.6 & &  \\
\noalign{\smallskip}\hline
\end{tabular}
\end{center}
\vspace*{-1ex}
\hspace*{1cm} $^{1}$\ RXJ 1554.9-2347  \hspace*{1.5cm} $^{2}$\ RXJ 1601.4-2240
\hspace*{1.5cm} $^{3}$\ RXJ 1604.7-1930
\end{footnotesize}
\end{table}
