\begin{table}%T5
\par
\caption{Spectral fits of the subset S5.}\label{t5}
%\centerline
{
\begin{tabular}{l|c|c|c|c|c|c|c|c|c|c|c}
\hline\hline
Source ID & Inst. & $N_{\rm H}$$^a$ & $\Gamma$  & Cst/bins & $N_{\rm H}$$^a$ & $\Gamma$
& Cst/bins& $F^b$ &$F_u$$^b$ & $R^c$ & log~$L_{2-10~\rm keV}$$^d$\\
\hline
& & \multicolumn{3}{c|}{$z = 1$} & \multicolumn{5}{c|}{$z = 2$}\\
\hline
03120036  & p  & 1.15$\pm_{0.98}^{1.35}$ & 1.9 & 12.3/18  &
3.22$\pm_{2.72}^{3.93}$ & 1.9 & 13.1/18  & 1.9 & 1.9 & 24.6 & 44.79\\
03120124 & m  & 5.26$\pm_{3.27}^{5.54}$ &1.9 & 11.0/17 &
15.8$\pm_{10.1}^{18.6}$ & 1.9 & 11.1/17  & 2.2 & 2.4 & 22.5  &  \\
26900029 & pm  & 0.75$\pm_{0.57}^{0.90}$ &1.9 & 14.2/19 &
2.03$\pm_{1.53}^{2.60}$ & 1.9 & 14.3/19  & 2.8 & 2.8 & 25.1  & 45.11\\
05370037 & p  & 1.37$\pm_{0.93}^{1.82}$ &1.9 & 17.9/19 &
4.09$\pm_{2.83}^{4.77}$ & 1.9 & 17.5/19  & 4.4 & 4.5 & 21.5  & \\
05370060 & pm  & 0.90$\pm_{0.90}^{1.93}$ &1.9 & 18.5/23 &
2.41$\pm_{2.41}^{5.45}$ & 1.9 & 18.5/23  & 1.0 & 1.0 & 23.9  & 44.11\\
05370072 & pm  & 5.65$\pm_{3.38}^{6.01}$ &1.9 & 15.6/25 &
16.9$\pm_{10.4}^{19.1}$ & 1.9 & 15.6/25  & 1.0 & 1.1 & $\geq$24 & 44.16 \\
05370091 & m  & 24.7$\pm_{19.4}^{54.9}$ &1.9 & 24.6/22 &
55.5$\pm_{40.3}^{98.4}$ & 1.9 & 25.0/22  & 4.2 & 5.7 &  23.7 & 44.26\\
0537011b & m  & 34.0$\pm_{24.9}^{61.6}$ &1.9 & 7.7/11 &
66.4$\pm_{46.3}^{86.2}$ & 1.9 & 9.2/11  & 1.4 & 2.0 & 21.7 & \\
05370153 & pm  & 10.3$\pm_{7.1}^{16.0}$ &1.9 & 25.2/24 &
34.2$\pm_{23.9}^{48.0}$ & 1.9 & 25.2/24  & 1.2 & 1.4 & $\geq$24.6  &
44.54\\
05370157 & pm  & 11.4$\pm_{5.3}^{9.0}$ &1.9 & 27.3/26 &
33.0$\pm_{15.9}^{24.9}$ & 1.9 & 28.5/26  & 1.4 & 1.8 & $\geq$24.5  & 44.52 \\
05370162 & pm  & 5.26$\pm_{4.00}^{11.00}$ &1.9 & 32.5/20 &
15.4$\pm_{12.2}^{36.7}$ & 1.9 & 32.7/20  & 1.3 & 1.5 & 21.6 & \\
0537042b & m  & 8.32$\pm_{4.63}^{18.90}$ &1.9 & 15.6/13 &
22.8$\pm_{12.8}^{36.4}$ & 1.9 & 16.5/13  & 2.2 & 2.5 & 21.5 & \\
0537052b & m  & 7.13$\pm_{3.93}^{6.35}$ &1.9 & 11.7/14 &
22.8$\pm_{13.0}^{20.9}$ & 1.9 & 11.4/14   & 1.7 & 2.0 &  23.7  & 44.34\\
\hline
\end{tabular}}
\par
\medskip
$^a$ $N_{\rm H}$ in source frame, $z=1$ or $z=2$, units of 10$^{22}$~cm$^{-2}$;
$^b$ Flux in the 2--10~keV band, $F$: observed, $F_u$: corrected
for absorption, in units of 10$^{-14}$~erg~cm$^{-2}$~s$^{-1}$;
$^c$ $R$ magnitude of optical counterpart;
$^d$ Log of the luminosity in units of~erg~s$^{-1}$, only for
sources with $R$ greater than 23, for the redshift values given
in Table~\ref{t7} (see Sect.~4.2). 
\end{table}