\begin{table}%t5
%\centering
\par
\caption{\label{tab:species5} Species present in the inner wind of S
stars as a function of C/O ratios and position.}\small
\begin{tabular}{ccccc}
\hline
\hline
C/O   &  &Species & Position from 1 to 5 $R_{\star}$ & \\
\hline
0.98  &  & CO, SiO, HCN, CS, H$_2$O, CO$_2$, SO, HS, S & any radius -- similar to O-rich AGBs & \\
\hline
1  & & CO, SiO, HCN, CS & any radius &  \\
  & & CO$_2$, SO, H$_2$O, OH, HS, S & present from 1 to 2,5~$R_{\star}$ &  \\
  & & C$_2$H$_2$, SiS, Si & present after 3 $R_{\star}$ & \\
\hline
1.01 & & CO, SiO, HCN, CS, C$_2$H$_2$, SiS, Si & any radius -- similar to C-rich AGBs & \\
\hline
\end{tabular}
\end{table}