\begin{table}%t1 \caption{\label{mags}Photometry of the different components.} %\centering \par \begin{tabular}{cccccc} \hline\hline\noalign{\smallskip} Global & QSO & Blob & NE & Tail & Companion \\ system&only& & ext.& & galaxy \\ \hline 13.74& 14.28&17.68&19.15&18.92&16.42\\ \hline \end{tabular} \tablefoot{Apparent magnitudes are given in the Vega based $J$-band. Magnitudes derived from the different exposures are very stable, resulting in $1 \sigma$ uncertainties below 0.02 mag.} \end{table}