\begin{table}%T7
%\centering
\par
\caption
{Standard deviation of $U$, $V$,
$W$ for the seven SPY halo
white dwarfs, $V_{\rm lag}$, $\sigma_{U}$, $\sigma_{V}$, and 
$\sigma_{W}$
from \citet{chiba00} shown for comparison. \label{uvw_hatab}}
\begin{tabular}{lccc}
\hline\hline
 & $\sigma_{U}$ & $\sigma_{V}$ & $\sigma_{W}$\\
 & ${\rm km~s^{-1}}$ & ${\rm km~s^{-1}}$ & ${\rm km~s^{-1}}$\\
\hline
Halo white dwarfs   & & &\\ 
(our sample)& $138$ & $95$ & $47$\\
%\hline
Halo stars  & & &\\
(Chiba \& Beers) &  $141$ & $106$ & $94$\\
\hline
\end{tabular}
\end{table}