\begin{table}%t5
%%\centering

\par
\caption{\label{fdrm_real}Estimation of the radius ($R'$) and the mass ($M'$) of real data with the package FDRM compared to spectroscopic observations ($R$(obs) and $M$(obs)).}
\begin{tabular}{ccccccc}
\hline \hline \noalign{\smallskip}
Star& $R'$ ($R_\odot$)&$\epsilon$ ($R_\odot$)&\emph{R} (obs) ($R_\odot$)& $M'$ ($M_\odot$)&$\epsilon$ ($M_\odot$)& \emph{M} (obs) ($M_\odot$)\\
\hline
Sun & 1.003 & 0.1 &1& 1.0167 & 0.2&1 \\
HD49933 (1) & 1.483 &0.15& $1.34 \pm 0.016$ & 1.3279&0.26& 1.2\\
HD49933 (2) & 1.567 &0.15 & $1.34 \pm 0.016$ & 1.5741& 0.35& 1.2 \\
HD181906& 1.581 & 0.16& $1.392 \pm 0.054$ & 1.6231&0.32 & $1.144 \pm 0.119$ \\
HD181420&  1.7255 &0.17 & $1.595 \pm 0.032$& 1.600&0.32& $1.43  \pm 0.05$ \\
\hline
\end{tabular}
\end{table}