\begin{table}%t2
      \caption{\label{tab2}Full table   is available    at the CDS. 
A portion is shown here for guidance regarding its
form and content. Units of right ascensions are hours, minutes and seconds, and
units of declination are degrees, arcminutes and arcseconds. }
 %\centering
\par
       \begin{tabular}{lcccccccc}
            \hline\hline
                      Id&RA&Dec&$I_0$&$\sigma_I$&$(R-I)_0$&$\sigma_{(R-I)}$&(CN--TiO)&$\sigma_{(\rm CN{-}TiO)}$  \\
                    \hline
        1&0:18:26.58&59:19:51.60&19.806&0.024&0.957&0.039&0.511&0.069\\
2&0:18:35.58&59:25:07.00&19.315&0.018&1.131&0.031&0.315&0.061\\
3&0:18:37.60&59:17:31.70&19.771&0.024&0.913&0.038&0.497&0.049\\
4&0:18:41.43&59:22:18.80&19.691&0.025&0.998&0.039&0.684&0.051\\
5&0:18:42.73&59:18:04.90&19.961&0.030&1.066&0.051&0.540&0.080\\
6&0:18:45.95&59:11:26.90&19.175&0.015&0.934&0.020&0.334&0.031\\
7&0:18:48.46&59:19:53.80&19.574&0.025&1.110&0.040&0.505&0.049\\
8&0:18:49.26&59:13:19.00&20.065&0.034&1.237&0.064&0.545&0.072\\
9&0:18:51.49&59:13:29.70&19.676&0.025&1.325&0.047&0.548&0.054\\
10&0:18:52.90&59:16:01.60&19.710&0.027&1.015&0.046&0.560&0.056\\
11&0:18:54.16&59:11:14.50&20.729&0.051&1.189&0.088&0.320&0.083\\
12&0:18:56.95&59:23:02.30&19.733&0.027&0.934&0.048&0.632&0.061\\
            \hline
         \end{tabular}
   \end{table}