\begin{table}%t3
\caption{\label{param}MS progenitor masses ($M_{\rm MS}$) and ages ($t_{\rm MS}$), WD cooling ages~($t_{\rm C}$), total age ($t_{\rm total}$), and MS~age as a fraction of WD cooling age for PHL~5038~A.} 
%\centering
\small   
\begin{tabular}{c c c c c}
\hline \hline   
  & & $M_{\rm WD}$ ($M_{\odot}$) &  \\                  
 & 0.57 & 0.72 & 0.87 \\     
\hline
$M_{\rm MS}$ ($M_{\odot}$) & 2.1 & 3.2 & 4.4 \\ 
$t_{\rm MS}$ (Gyr) & 1.3 & 0.4 & 0.2 \\
$t_{\rm C}$ (Gyr) & 1.0 & 1.5 & 2.5 \\
$t_{\rm total}$ (Gyr) & 2.3 & 1.9 & 2.7  \\
$t_{\rm MS}/t_{\rm C}$ & 1.3 & 0.3 & 0.1 \\
\hline                             
\end{tabular}
\end{table}