\begin{table}%t1
\caption{Estimated time delays and $R$-band magnitude differences 
for FBQ~0951+2635 calculated with three different methods. The quoted 
uncertainties are $1 \sigma$~errors.}     
\label{time.tab}
%\centering
\par
\begin{tabular}{lcc}
\hline
\hline
       & $\Delta \tau$ & $\Delta m$ \\
Method & (days)        & (mag)      \\
\hline
$\chi^2$ fit      &     $17 \pm 4$ & $1.01 \pm 0.01$ \\ 
Iterative fit     &     $13 \pm 4$ & --             \\ 
Last 38 points    &     $16 \pm 2$ & $1.06 \pm 0.01$ \\ 
\hline
\end{tabular}%\vspace*{-3mm}
\end{table}