\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}