\begin{table}%t7
\par
\caption{\label{prop}Stellar properties of HD~77407~B and GJ~577~B.} 
%\centering
\par
\begin{tabular}{llll}
\hline\hline
& HD~77407~B & GJ~577~B\\
\hline
Age $[$Myrs$]$    & 10 ... 40       & $>$100   \\
Mass [$M_{\sun}$] & 0.3 ... 0.5     & 0.16 ... 0.2  \\
Spec type           & M~0 ... M~3     & M~4 ... M~5 \\
$T_{\rm eff}$~[K] & 3850 ... 3470 & 3370 ... 3240 \\
\hline
\end{tabular}
\end{table}