\begin{table}%t2
  \caption{$\chi^2$ of the best models with stratification. The different
    lines have the same meaning as in Table~\ref{tab:chi2_no_strat_gg}.
    \label{tab:chi2_strat_gg}}
  %\centering
\par
  \begin{tabular}{lrrrrr}
 \hline
 \hline
 \noalign{\smallskip}
     Model  & $\chi^2_I$ & $\chi^2_J$ & $\chi^2_H$ & $\chi^2_{L'}$ & $\chi^2_{\rm tot}$ \\\noalign{\smallskip}
 \hline
Best model $I$ band  & \bf{9.10} & 16.67 & 30.11 & 2.44& 58.31 \\ 
Best model $J$ band  & 10.17 & \bf{14.95} & 32.45 & 7.93& 65.50 \\ 
Best model $H$ band  & 14.44 & 20.54 & \bf{25.11} & 32.13& 92.23 \\ 
Best model $L'$ band & 17.09 & 21.82 & 48.20 & \bf{1.30}& 88.41 \\ 
 \hline
Best model  & 10.18& 16.19& 29.03& 2.30& \bf{57.70}\\
 \hline
  \end{tabular}
\end{table}