\begin{table}%t8
  \caption{Spectroscopic results for Collinder~21.} \label{tab8}
%\centering
\par
  \begin{tabular}{ccccccccc}
  \hline
  \hline
  ID & TYC & Date of& $S/N$ & Resolution &Julian date  & Rad. vel
& Sp. type & $(m-M)_V$\\
  & 1759-   & observation &  &  & & [km~s$^{-1}$] &  & [mag]\\
  \hline
1 & 450  & 04/07/2002 &  530 &20~000 &2~452~468.5756& $-3.2\pm 0.7$
& F9 V & 3.90\\
&  & 20/09/2003 &  300 & 3600 &2~452~902.5724& $7.4\pm 5.5$
& \\
&  & 05/12/2003 &      & 3600 &2~452~979.1951& $42.4\pm 4.8$
& \\
2 & 1472  & 20/09/2003 &  360 & 3600 &2~452~902.5906& $5.3\pm 6.2$
& G0 V & 5.35\\
&  & 05/12/2003 &      & 3600 &2~452~979.2083& $11.7\pm 5.7$
& \\
3 & 1025  & 20/09/2003 &  330 & 3600 &2~452~902.6222& $55.2\pm
7.8$ & M8 III & 10.84\\
&  & 05/12/2003 &      & 3600 &2~452~979.4393& $68.3\pm 11.4$
& \\
4 & 468  & 09/10/2003 &  210 & 3600 &2~452~922.4483& $-25.5\pm
4.4$ & K2 III & 10.52\\
&  & 05/12/2003 &      & 3600 &2~452~979.2983& $-15.9\pm 10.3$
& \\
5 & 994  & 09/10/2003 &  230 & 3600 &2~452~922.4725& $46.9\pm 7.3$
& G8 V & 5.67\\
&  & 05/12/2003 &      & 3600 &2~452~979.2378& $37.5\pm 8.0$
& \\
6 & 462  & 09/10/2003 &  210 & 3600 &2~452~922.5142& $42.9\pm 7.4$
& G3 V & 6.32\\
&  & 05/12/2003 &      & 3600 &2~452~979.3997& $24.8\pm 6.4$
& \\
7 & 1333  & 05/12/2003 &  190 & 3600 &2~452~979.5238& $48.5\pm
4.6$ & K2 V & 5.31\\
&  & 04/01/2004 &      & 3600 &2~453~009.3715& $57.0\pm 5.2$
& \\
8 & 266  & 20/09/2003 &  230 & 3600 &2~452~902.4968& $50.7\pm 4.6$
& G8 III & 9.86\\
&  & 04/01/2004 &      & 3600 &2~453~009.3979& $40.4\pm 5.2$
& \\
9 & 866  & 20/09/2003 &  310 & 3600 &2~452~902.4559& $3.5\pm 5.7$
& G5 III & 9.49\\
&  & 04/01/2004 &      & 3600 &2~453~009.4311& $17.2\pm 7.9$
& \\
10 & 1114  & 20/09/2003 &  270& 3600 &2~452~902.5238& $48.5\pm 4.6$
& K1 III & 9.36\\
&  & 04/01/2004 &     & 3600 &2~453~010.3701& $5.2\pm 5.7$
& \\
11 & 1749  & 20/09/2003 &  150& 3600 &2~452~980.2946& $24.8\pm 7.2$
& F8 V & 8.14\\
&  & 04/01/2004 &     & 3600 &2~453~010.3303& $23.0\pm 7.1$
& \\
12 & 272  & 20/09/2003 &  120& 3600 &2~452~980.3317& $33.9\pm 7.3$
& G0 V & 8.36\\
&  & 04/01/2004 &     & 3600 &2~453~010.2885& $41.2\pm 8.3$
& \\
  \hline
  \end{tabular}
  \end{table}