\begin{table}%t1
  %\centering
\par
  \caption{$\chi^2$ of the best models without stratification.
    Each line gives the~$\chi^2$ in the $I$, $J$, $H$ and $L'$~bands, as well as the
    total $\chi^2$ defined as the sum of the individual ones
    for the models minimizing one of these $\chi^2$, respectively.
 \label{tab:chi2_no_strat_gg}}
 \begin{tabular}{lrrrrrr}
 \hline
 \hline
 \noalign{\smallskip}
 Model  & $\chi^2_I$ & $\chi^2_J$ & $\chi^2_H$ & $\chi^2_L$ & $\chi^2$ \\
 \noalign{\smallskip}
 \hline
Best model $I$ band &  {11.81} & 16.70 & 31.75 & 25.77& 86.03 \\ 
Best model $J$ band & 12.56 &  {16.35} & 25.56 & 3.47& 57.94 \\ 
Best model $H$ band & 12.84 & 19.23 &  {23.95} & 21.45& 77.47 \\ 
Best model $L'$ band& 19.66 & 26.45 & 55.62 &  {1.72}& 103.45 \\ 
 \hline
Best model  &  {12.16}&  {16.69}&  {25.99}&  {2.43}& 57.28\\
 \hline
 \end{tabular}
\end{table}