\begin{table}%t2
%
\par
%\centering
\par
\caption{Parameters of  the  lens mass models. 
Column~2: $\chi^2$ of the fit.
Column~3: Velocity dispersion (km~s$^{-1}$).
Column~4: time delay  in days (image A leading).
Column~5: FR  (image A brighter).}
\label{modelsimple}
\begin{tabular}{c| c c c c c }
\hline
\hline
 & $\chi^2$&$\sigma_v$      & TD& FR  \\
\hline
SIE & 18.8  & 183.5 $\pm$ 0.2         & $-12.1 \pm 0.1$ & 23.4 $\pm$ 1.3 \\
TPIEMD &3.8 & 179.9 $\pm$ 0.2 & $-14.4\pm 0.1$ & 6.5 $\pm$ 0.3\\
TPIEMD &4.7 &179.7 $\pm$ 0.2 & $-14.5\pm0.1$ &  5.52 (fixed)\\
\hline
\end{tabular}
\end{table}