\begin{table}
\caption{Same as in Table~A1 but for the Johnson !5U!3 band as a function of redshift and the $U90 - RC$ colour.\label{tabU90_RC}}
\begin{tabular}{l|cccc}
 & $(U90 - RC)^0$ & $(U90 - RC)^1$ & $(U90 - RC)^2$ & $(U90 - RC)^3$ \\
\hline
$Z^{0}$ &  0  &  0  &  0  &  0 \\
$Z^{1}$ &  2.84791  &  2.31564  &  -0.411492  &  -0.0362256 \\
$Z^{2}$ &  -18.8238  &  13.2852  &  6.74212  &  -2.16222 \\
$Z^{3}$ &  -307.885  &  -124.303  &  -9.92117  &  12.7453 \\
$Z^{4}$ &  3040.57  &  428.811  &  -124.492  &  -14.3232 \\
$Z^{5}$ &  -10677.7  &  -39.2842  &  197.445  &  0 \\
$Z^{6}$ &  16022.4  &  -641.309  &  0  &  0 \\
$Z^{7}$ &  -8586.18  &  0  &  0  &  0 \\
\hline
\end{tabular}
\end{table}