\begin{table}%t3 \caption{\label{tbl-3}Revised white dwarf parameters.} %\centerline { \begin{tabular}{llc} \hline\hline\noalign{\smallskip} Parameter & Measurement & Refs.$^a$ \\ \hline $T_{\rm eff}$ & $11080\pm140$ K & 1 \\ & $11290\pm50$ K & 2 \\ & $11140\pm90$ K & 3\\ $\langle T_{\rm eff}\rangle$ & $11170\pm90$ K & 3 \\ $\log{g}$ & $6.32\pm0.08$ (cgs)& 1\\ & $6.30\pm0.02$ (cgs)& 2\\ & $6.42\pm0.06$ (cgs)& 3\\ $\langle\log{g}\rangle$ & $6.35\pm0.05$ (cgs)& 3\\ $M$$^b$ & $0.190\pm0.004~M_\odot$ & 3 \\ Cooling age & $1.83\pm0.17$ Gyr & 3 \\ $M_V$ & $8.98\pm0.12$ mag& 3 \\ distance & $444\pm30$ pc & 3 \\ $(U,~V,~W)$ & $(-405\pm47,-204\pm13,-30\pm26)$ km s$^{-1}$ & 3 \\ \hline \end{tabular}} \medskip $^a$ References: (1) \citet{kaw2006}; (2) \citet{kil2009}; (3) This work. $^b$ Mass based on $Z=0.001$ models \citep{ser2002}. \end{table}