\begin{table}%t1
%\centering
\par
\caption{\label{tab:wfc}Previously known parameters for the studied sources.} 
\begin{tabular}{lllll}
\hline \hline \noalign{\smallskip}
Object  & WFC flux\tablefootmark{a} & ROSAT flux\tablefootmark{b} & Redshift\tablefootmark{c} \\
\hline\noalign{\smallskip}
\src{\codee}{\codeeexp} & 0.82 & 1.68  \tablefootmark{d,}\tablefootmark{e} & 0.0728 \tablefootmark{d} \\
& &  2.49 \tablefootmark{f} &  \\
\src{\codef}{\codefexp} & 1.28 &  2.41  \tablefootmark{f} &  0.1530 \tablefootmark{g} \\
\src{\codet}{\codetexp} & 1.14 & 3.93  \tablefootmark{f} & 0.0620  \tablefootmark{g} \\
\hline
\end{tabular}
\tablefoot{\tablefoottext{a}{2--10~keV, 10$^{-14}$ W~m$^{-2}$ for Crab-like spectrum (i.e. a power law with a photon index of~2).} 
\tablefoottext{b}{0.1--2.4~keV, 10$^{-14}$ W~m$^{-2}$.} 
\tablefoottext{c}{Determined using optical spectroscopy.} 
\tablefoottext{d}{From REFLEX \citep{BOH04}.} 
\tablefoottext{e}{Using a Raymond-Smith model \citep{RAY77}.} 
\tablefoottext{g}{From CIZA \citep{EBE02}.}}
\end{table}