\begin{table}%t3
\caption{Fitted parameters of the white dwarfs and supplementary data from 
literature. The three objects with positive detections of magnetic fields 
are labelled in bold face.\label{t:lit}} 
%\centerline
$$
{\begin{tabular}[c]{l|rlcrr|r@{.}ll|cc}
\hline
\hline
   && &&&&\multicolumn{5}{c}{Literature} \\
WD & $T_{\rm eff}$ & \logg & $M$ & $d$(spec) &$t_{{\rm cool}}$
   & \multicolumn{2}{c}{$T_{\rm eff}$} 
   &\logg & \vsini & $d$(trig)\\
   &(k\kelvin) && (\Msolar) &(pc) &(Myr)
   &\multicolumn{2}{c}{(k\kelvin)} & & (\kmsec) &(pc)\\
\hline
0135$-$052 && & 0.47/0.52$^{1,14}$ & &
         &\multicolumn{2}{c}{7.47/6.92}  
         &7.80/7.89$^{1,14}$ & & $12.3\pm0.4$Y$^{15}$\\
0227+050 &18.45& 7.79 &0.51&26.1 &65
         &19&07 &7.78$^{2}$   & & $24.3\pm 2.9$H$^{16}$ \\
    &&&&&&18&21  &7.95$^{16}$  &&\\
0310$-$688 &15.73&8.00 &0.61 &11.2 &170
         & 15&71 & 8.16$^{16}$ & 0$\pm$4$^{10}$ & $10.2\pm 0.2$H$^{16}$ \\
    &&&&&& 16&18 & 8.06$^{4}$ &  & \\
0346$-$011 &43.17& 9.08 &1.24 &34.0 &59
         & 39&51 & 9.07$^{12}$ & $\leq$50$^{17}$ & \\
    &&&&&& 43&20 &9.21$^{18}$ & & \\
    &&&&&& 40&54 & 9.22$^{2}$ &  &  \\
    &&&&&& 43&10 & 9.09$^{4}$ & &  \\
{\bf 0446$-$789} &23.45&7.72 & 0.49 &48.8 &21
         & 23&20 & 7.70$^{17}$  & &  \\
    &&&&&& 23&61 & 7.83$^{4}$ & & \\
0612+177 &25.58&7.86 & 0.56 &46.1 &17
         & 24&66 & 7.94$^{2}$  & & $36.1\pm 2.9$Y$^{15}$ \\
    &&&&&& 25&17 & 7.83$^{5}$ & &  \\
    &&&&&& 25&94 & 7.97$^{4}$ & & \\
0631+107 &27.25&7.81 & 0.54 &61.9 &13
         & 26&59 & 7.82$^{5}$ & &  \\
    &&&&&& 27&20 & 8.00$^{8}$   & &  \\
0839$-$327 &9.24& 7.90 & 0.54 &8.3 &660
         & 8&80$^{7}$          & & & $8.9\pm 0.8$Y$^{15}$ \\
    &&&&&& 8&93 & 7.70$^{3}$   & & \\
    &&&&&& 9&39 & 7.96$^{4}$  & & \\
0859$-$039 &23.78& 7.77 & 0.51 &29.1& 21
         & 23&22 & 7.84$^{12}$ & \\
    &&&&&& 24&20 & 7.88$^{18}$  & & \\
1042$-$690 &21.42&7.78 & 0.51 &36.3 &33
         &20&64 & 7.73$^{6}$  & & \\
    &&&&&& 21&38 & 7.86$^{4}$ & & \\
{\bf 1105$-$048} &15.28& 7.83 &  0.52 &24.5 &142
         & 15&58 & 7.81$^{4}$ & $<$32$^{13}$ & \\
    &&&&&& 15&54 & 7.82$^{2}$ & & \\
    &&&&&& 15&87$^{7}$ &      & & \\
{\bf 2359$-$434} &8.66&8.56* & 0.95 & -- &2200
         & 7&76$^{7}$ &       & $\approx$0$^{10}$ & $7.8\pm 0.4$Y$^{15}$ \\
    &&&&&& 8&72 & 8.58$^{4}$ & & \\
    &&&&&& 8&85 & 8.57$^{9}$ & & \\
    &&&&&& 8&67 & 8.83$^{11}$ &&\\
\hline
\end{tabular}}
$$
\smallskip
{References: 
$^1$\cite{Bergeron-etal:89};         $^2$\cite{Bergeron-etal:92};   
$^3$\cite{Bergeron-etal:01};         $^4$\cite{Bragaglia-etal:95};
$^5$\cite{Finley-etal:97};           $^6$\cite{Kawka-etal:00}; 
$^7$\cite{Kepler-Nelan:93};          $^8$\cite{Kidder-etal:92};
$^9$\cite{Koester-Allard:93};        $^{10}$\cite{Koester-etal:98};
$^{11}$\cite{Koester-etal:01};       $^{12}$\cite{Napi-etal:99}; 
$^{13}$\cite{Pilachowski-Milkey:84}; $^{14}$\cite{Saffer-etal:88};       
$^{15}$\cite{vanAltena-etal:95};     $^{16}$\cite{Vauclair-etal:97};      
$^{17}$\cite{Vennes:99};             $^{18}$\cite{Vennes-etal:97}.} \\
\footnotesize{$^*$ Gravity fixed at a value which reproduced the absolute 
brightness computed from the parallax.} 
\end{table}