\begin{table}
\caption{Same as in Table~A1 but for the SDSS !5g!3 band as a function of redshift and the $g - r$ colour.\label{tabg_r}}
\begin{tabular}{l|cccc}
 & $(g - r)^0$ & $(g - r)^1$ & $(g - r)^2$ & $(g - r)^3$ \\
\hline
$Z^{0}$ &  0  &  0  &  0  &  0 \\
$Z^{1}$ &  -3.34266  &  5.71053  &  -1.23911  &  0.282482 \\
$Z^{2}$ &  6.47836  &  5.72968  &  2.30463  &  -0.721489 \\
$Z^{3}$ &  -58.7351  &  -56.79  &  2.03398  &  0 \\
$Z^{4}$ &  233.729  &  59.4009  &  0  &  0 \\
$Z^{5}$ &  -242.778  &  0  &  0  &  0 \\
\hline
\end{tabular}
\end{table}