\begin{table}%t11
\caption{\label{tab:grid_reference_colors}Uncertainties on the grid reference colors and the associated max error affecting the grid pixels.}
%\centering
\small
\begin{tabular}{lcccc}
\hline
\hline
Band  & Color & $\max_\x \left[\delta k(\x)\right]$  & $\sigma_{\rm color}$ & max grid error \\
\hline
$g_M$  & $g-r$ & 0.04                                & 0.021 &  ${<} 0.001$              \\
$r_M$  & $r-i$ & 0.04                                & 0.013 &  ${<} 0.001$              \\
$i_M$  & $r-i$ & 0.05                                & 0.013 &  ${<} 0.001$                \\
$z_M$  & $i-z$ & 0.06                                & 0.019 &  ${<} 0.001$                \\
\hline
\end{tabular}
\end{table}