\begin{table}%t2a
\caption{\label{fit_par}Best-fit parameters.}
%\centerline
{
\begin{tabular}{c c c c c}
\hline\hline
Name &Photon index &$N_{\rm H}$& $F^{\rm obs}_{2-10}$ &log $L^{\rm int}_{\rm X}$\\
&&(cm$^{-2}$)&(erg s$^{-1}$ cm$^{-2}$)&(erg s$^{-1}$)\\
%(1)&(2)&(3)&(4)&(5)\\
\hline
SDSSJ075920.21+351903.4& 1.9 (fixed)&--&$1.3\times 10^{-14}$ &43.92$^{\ast}$\\
SDSSJ083945.98+384319.0&1.9 (fixed)&3.28$^{+0.95}_{-0.78}\times10^{22}$&$2.3\times 10^{-13}$ & 44.26  \\
SDSSJ143928.23+001538.0&1.9 (fixed)&27.1$^{+15}_{-10.2}\times 10^{22}$&$6.6\times 10^{-14}$& 43.88\\
\hline
\end{tabular}}
%\caption{(1) SDSS name. (2) Power-law photon index. (3) Hydrogen column
%density  (4) observed flux in the (2-10) keV band in units of erg s$^{-1}$
%cm$^{-2}$. (5) log of the absorption-corrected luminosity in the (2-10) keV
%band in units of erg s$^{-1}$. 
%%\end{center}
\par
\medskip
$^{\ast}$ $L^{\rm int}_{\rm X}$  is obtained assuming that the ratio between the reflected and the primary component is  0.05.
\end{table}