\begin{table}%t3
\caption{\label{enri}\label{tab3}Calculated elemental abundances of volatiles in HD~189733b.}
\small%\centerline
{
\begin{tabular}{lcc}
\hline
\hline
\noalign{\smallskip}
Element		 			& \multicolumn{2}{c}{Calculated abundance}			\\
case					& (a)						& (b)					\\
\hline
\noalign{\smallskip}	
O						& $3.3 \times 10^{-4}$		&$2.8 \times 10^{-3}$ 	\\
C   				  	  	& $1.0 \times 10^{-4}$		&$8.4 \times 10^{-4}$  	\\
N   				    	 	& $2.8 \times 10^{-5}$		&$2.3 \times 10^{-4}$	\\
S   				    	    	& $5.3 \times 10^{-6}$		&$4.4 \times 10^{-5}$	\\
P						& $1.8 \times 10^{-7}$		&$1.5 \times 10^{-6}$	\\
\hline
\end{tabular}}
\smallskip
Two different cases are considered: (a) simultaneous fit of the O and C abundances to the ones determined by S09a and (b) fit of the volatiles abundances to the minimum mass of heavy elements predicted by Guillot (\cite{Guillot2008}). 
\end{table}