\begin{table}%T7
\caption{\label{tab:mass}Masses, ages and an evolutionary estimates of the surface
gravity of the sample stars.} 
\small %\centering
\par
\begin{tabular}{c c c c c}
\hline\hline
Star & Mass ($M_{\odot}$) & Age (Gy) & $\log g$ & $\sigma_{\log g}$ \\
\noalign{\smallskip}
\hline
HR~440 & 1.9 & 0.8 & 2.64 & 0.03 \\
HR~649 & 3.6 & 0.1 & 2.47 & 0.10 \\
HR~1016 & 3.0 & 0.2 & 2.70 & 0.07 \\
HR~1326 & 1.5 & 1.3 & 2.65 & 0.03 \\
HR~2392 & 2.3 & 0.5 & 2.87 & 0.08 \\
HR~4608 & 2.3 & 0.5 & 2.72 & 0.04 \\
$\epsilon$ Vir & 2.9 & 0.3 & 2.85 & 0.03 \\
HR~5058 & 1.9 & 0.9 & 2.82 & 0.05 \\
HR~5802 & 2.4 & 0.5 & 2.97 & 0.05 \\
HR~7321 & 2.2 & 0.5 & 2.66 & 0.10 \\
HR~8115 & 3.0 & 0.2 & 2.58 & 0.03 \\
HR~8204 & 4.2 & 1.0 & 2.27 & 0.09 \\
HD 205011 & 2.2 & 0.5 & 2.61 & 0.08 \\
HR~8878 & 1.0 & 6.2 & 1.87 & 0.07 \\
\hline
\end{tabular}
\end{table}