\begin{table}
\caption[]{\label{tau_table2_all} Stars from Table~\ref{tau_table2}
(ROSAT stars discovered in the central part of the Taurus-Auriga association),
based on the list of Wichmann et al.\ (1996).}
\begin{small}
\bigskip
\begin{minipage}{8cm}
\vspace*{-6ex}
\begin{tabular}{@{}r@{ }rr@{}lr@{}lr@{}lr@{}l@{}}
\noalign{\smallskip}\hline\noalign{\smallskip}
\multicolumn{2}{c}{[mas/a]} &
\multicolumn{2}{c}{$\mu_{\alpha}$} &
\multicolumn{2}{c}{$\mu_{\delta}$} &
\multicolumn{2}{c}{\raisebox{1ex}[-1ex]{$\sigma_{\mu_{\alpha}}$}
\raisebox{-1ex}[1ex]{\scriptsize \hspace*{-0.7cm}$\cos\delta$}} &
\multicolumn{2}{c}{$\sigma_{\mu_{\delta}}$}  \\
\noalign{\smallskip}\hline\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 285281} \\
\hline\noalign{\smallskip}
A 1258 &  894                  &     3. & 9  &   -10. & 1  &   0. & 97 &   0. & 90 \\
\makebox[0pt][r]{$\rightarrow$} T 1258 &  894                  &     6. & 0  &   -14. & 0  &   1. & 6  &   1. & 6  \\
S 1258 &  894                  &     9. &    &   -17. &    &   3. & 9  &   3. & 9  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 284135} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{PPM  93240} &     2. &    &   -25. &    &   3. & 5  &   3. & 5  \\
\makebox[0pt][r]{$\rightarrow$} A 1814 &  409                  &     3. & 9  &   -14. & 9  &   0. & 87 &   0. & 86 \\
T 1814 &  409                  &     2. & 4  &   -15. & 4  &   1. & 9  &   1. & 7  \\
S 1814 &  409                  &     1. &    &   -24. &    &   3. & 0  &   3. & 0  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 284149} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{HIP  19176} &     6. & 40 &   -15. & 40 &   1. & 65 &   1. & 24 \\
\multicolumn{2}{c}{PPM  93259} &    11. &    &   -16. &    &   3. & 6  &   3. & 7  \\
\makebox[0pt][r]{$\rightarrow$} A 1258 &  257                  &     8. & 0  &   -15. & 4  &   1. & 64 &   2. & 87 \\
T 1258 &  257                  &     7. & 6  &   -13. & 0  &   1. & 6  &   2. & 7  \\
S 1258 &  257                  &     9. &    &   -17. &    &   2. & 9  &   2. & 9  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0409.2+2901} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 1826 &  877                  &    23. & 9  &   -32. & 0  &   2. & 65 &   1. & 89 \\
T 1826 &  877                  &    22. & 1  &   -27. & 3  &   2. & 6  &   3. & 0  \\
S 1826 &  877                  &    38. &    &   -36. &    &   3. & 5  &   3. & 5  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0415.4+2044} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 1263 & 1027                  &     3. & 0  &   -13. & 8  &   3. & 24 &   4. & 02 \\
T 1263 & 1027                  &     1. & 8  &   -17. & 0  &   1. & 6  &   3. & 5  \\
S 1263 & 1027                  &     9. &    &   -13. &    &   4. & 6  &   4. & 6  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{BD+17 724B$^{*}$} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{HIP  20782} &    -6. & 24 &   -33. & 28 &  25. & 67 &  20. & 88 \\
\multicolumn{2}{c}{PPM 119907} &     2. &    &    -7. &    &   3. & 8  &   3. & 8  \\
\makebox[0pt][r]{$\rightarrow$} A 1269 &  271                  &     2. & 1  &   -15. & 3  &   0. & 90 &   0. & 89 \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0430.8+2113} \\
\hline\noalign{\smallskip}
A 1277 &  574                  &    30. & 0  &   -25. & 6  &   2. & 02 &   1. & 25 \\
\makebox[0pt][r]{$\rightarrow$} T 1277 &  574                  &    30. & 4  &   -27. & 3  &   1. & 9  &   2. & 1  \\
S 1277 &  574                  &    24. &    &   -26. &    &   4. & 4  &   4. & 4  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 284496} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 1277 & 1238                  &     1. & 2  &   -13. & 6  &   1. & 56 &   2. & 13 \\
T 1277 & 1238                  &     4. & 1  &   -14. & 1  &   2. & 5  &   2. & 1  \\
S 1277 & 1238                  &    -5. &    &    -8. &    &   4. & 4  &   4. & 4  \\
\noalign{\smallskip}\hline\hline\noalign{\smallskip}
\end{tabular}
\end{minipage}
\begin{minipage}{8cm}
\begin{tabular}{@{}r@{ }rr@{}lr@{}lr@{}lr@{}l@{}}
\noalign{\smallskip}\hline\noalign{\smallskip}
\multicolumn{2}{c}{[mas/a]} &
\multicolumn{2}{c}{$\mu_{\alpha}$} &
\multicolumn{2}{c}{$\mu_{\delta}$} &
\multicolumn{2}{c}{\raisebox{1ex}[-1ex]{$\sigma_{\mu_{\alpha}}$}
\raisebox{-1ex}[1ex]{\scriptsize \hspace*{-0.7cm}$\cos\delta$}} &
\multicolumn{2}{c}{$\sigma_{\mu_{\delta}}$}  \\
\noalign{\smallskip}
\noalign{\smallskip}\hline\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0432.7+1853} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{PPM 120001} &     0. &    &   -28. &    &   4. & 5  &   4. & 5  \\
\makebox[0pt][r]{$\rightarrow$} A 1274 & 1501                  &    -2. & 4  &   -13. & 7  &   1. & 01 &   1. & 18 \\
T 1274 & 1501                  &    -3. & 1  &   -11. & 9  &   1. & 6  &   1. & 6  \\
S 1274 & 1501                  &    -1. &    &   -21. &    &   3. & 5  &   3. & 5  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 283798$^{*}$} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{\makebox[0pt][r]{$\rightarrow\hspace*{1em}$} HIP  21852} &    -0. & 79 &   -20. & 56 &   1. & 35 &   1. & 04 \\
\multicolumn{2}{c}{PPM  93702} &    -4. &    &   -25. &    &   2. & 2  &   2. & 1  \\
A 1838 &   81                  &    -3. & 4  &   -20. & 7  &   0. & 89 &   1. & 52 \\
T 1838 &   81                  &    -0. & 5  &   -22. & 6  &   1. & 8  &   2. & 2  \\
S 1838 &   81                  &  -106. &    &    62. &    &   5. & 0  &   5. & 0  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0444.9+2717$^{*}$} \\
\hline\noalign{\smallskip}
A 1839 &  643                  &     2. & 2  &   -25. & 9  &   8. & 33 &   4. & 56 \\
\makebox[0pt][r]{$\rightarrow$} T 1839 &  643                  &    15. & 4  &   -20. & 6  &   5. & 8  &   5. & 3  \\
S 1839 &  643                  &    -2. &    &   -17. &    &   5. & 1  &   5. & 1  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 30171   } \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{PPM 120221} &    18. &    &   -19. &    &   3. & 7  &   3. & 7  \\
\makebox[0pt][r]{$\rightarrow$} A 1267 &  425                  &    13. & 2  &   -17. & 5  &   0. & 95 &   0. & 94 \\
T 1267 &  425                  &    12. & 5  &   -19. & 6  &   1. & 7  &   1. & 9  \\
S 1267 &  425                  &    14. &    &   -24. &    &   4. & 2  &   4. & 2  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 31281} \\
\hline\noalign{\smallskip}
\multicolumn{2}{c}{PPM 120390} &    -6. &    &   -26. &    &   3. & 7  &   3. & 8  \\
\makebox[0pt][r]{$\rightarrow$} A 1284 & 1193                  &    -3. & 3  &   -18. & 0  &   0. & 87 &   0. & 87 \\
T 1284 & 1193                  &     0. & 4  &   -16. & 8  &   2. & 2  &   1. & 6  \\
S 1284 & 1193                  &    -8. &    &   -27. &    &   3. & 8  &   3. & 8  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{HD 286179} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 1281 & 1215                  &    -1. & 5  &   -17. & 1  &   2. & 29 &   1. & 04 \\
T 1281 & 1215                  &     1. & 2  &   -18. & 2  &   2. & 0  &   2. & 7  \\
S 1281 & 1215                  &    -5. &    &   -20. &    &   5. & 1  &   5. & 1  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0457.1+3142} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 2388 &  857                  &   -11. & 2  &   -14. & 2  &   1. & 24 &   1. & 13 \\
T 2388 &  857                  &    -9. & 5  &   -10. & 9  &   2. & 3  &   2. & 3  \\
S 2388 &  857                  &    -4. &    &   -16. &    &   4. & 4  &   4. & 4  \\
\hline\noalign{\smallskip}
\multicolumn{10}{c}{RXJ\,0457.2+1524} \\
\hline\noalign{\smallskip}
\makebox[0pt][r]{$\rightarrow$} A 1281 & 1288                  &     8. & 4  &   -17. & 6  &   1. & 04 &   3. & 45 \\
T 1281 & 1288                  &    10. & 7  &   -19. & 9  &   1. & 7  &   2. & 7  \\
S 1281 & 1288                  &     2. &    &   -19. &    &   4. & 9  &   4. & 9  \\
\noalign{\smallskip}\hline\hline\noalign{\smallskip}
\end{tabular}
\end{minipage}
\begin{minipage}{16cm}
\bigskip
\begin{tabular}{lp{12.5cm}}
BD+17 724B &  Hipparcos could attribute the variability to duplicity, and
              the entry HIP 20782 corresponds to the B-component.
              However, the errors of the derived parameters in this solution,
              without constraints on parallax or proper motions, are quite 
              large (the parallax is not significant), 
              and preference is given to the ACT proper motion. \\[2ex]
HD 283798  &  The STARNET proper motion for this star is quite different from
              that in the other catalogues, which are in reasonable agreement.
              It is likely that the rather high STARNET proper motion is
              spurious, caused by a misidentification of the stars in AC
              and GSC. \\[2ex]
RXJ\,0444.9+2717 &  The proper motions in ACT, TRC and STARNET are slightly
                    different in right ascension and in declination, suggesting
                    the possibility that we may deal with a double or multiple
                    system. \\[2ex]
\end{tabular}
\end{minipage}
\end{small}
\vspace*{3cm}
\end{table}
