\begin{table}%t2
      \caption{Abundances of the main elements in CoRoT-8.}
      \label{tab:abund}
      %\centering
\par
      \begin{tabular}{lcc}
      \hline\hline\noalign{\smallskip}
      Element &  [X/H]  & Number \\
              &                  & of lines \\
      \hline
      {Mg \sc   i} &  0.16  (0.16)  &   3 \\
      {Ca \sc   i} &  0.31  (0.05)  &   4 \\
      {Ti \sc   i} &  0.26  (0.05)  &  14 \\
      {V  \sc   i} &  0.49  (0.07)  &  16 \\
      {Fe \sc   i} &  0.31  (0.05)  &  96 \\
      {Fe \sc  ii} &  0.32  (0.06)  &   8 \\
      {Co \sc   i} &  0.30  (0.07)  &   6 \\
      {Ni \sc   i} &  0.34  (0.05)  &  30 \\
      {Si \sc   i} &  0.37  (0.05)  &  18 \\
      \hline
      \end{tabular}\vspace*{-1.5mm}
   \end{table}