\begin{table}%t3
\caption{\label{tab:15 k correc}15 microns \textit{k}-correction of the sample.}
%\centering
\small
\begin{tabular}{cccccccccc}
\hline \hline
& \multicolumn{3}{c}{$0.4<z<0.7$} & \multicolumn{3}{c}{$0.7<z<1.0$}& \multicolumn{3}{c}{$1.0<z<1.3$}\\
& CE01 & LDP & DH & CE01 & LDP  & DH & CE01 & LDP & DH \\
\hline
Median & 1.29 & 1.16 & 1.16 & 0.88 & 0.90 & 0.89 & 0.98 & 0.95 & 0.97 \\
Mean & 1.32 & 1.15 & 1.15 & 0.87 & 0.91 & 0.90 & 1.00 & 0.97 & 0.99 \\
Sigma  & 0.20 & 0.06 & 0.07 & 0.11 & 0.08 & 0.07 & 0.15 & 0.10 & 0.11 \\
\hline
\end{tabular}
\end{table}