\begin{table}%t3
\caption{\label{tab2}Best-fit parameters and results for the sources
where spectral analysis was possible.}
%\centerline
{\small
\begin{tabular}{lcccccc} 
\hline \hline\noalign{\smallskip}
Source         & $N_{\rm H}$                   &$\Gamma$                 & $F_{2-10}$        & $\log (L_{2-10}^a)$ & Fe K$_{\alpha}$~$EW$  &$\chi ^2/\nu$ \\ 
            & (10$^{21}$~cm$^2$)       &                         &(10$^{-13}$~ergs~cm$^{-2}$~s$^{-1}$) & & (keV) &  \\ 
 \hline\noalign{\smallskip}
4C+32.44    & $1.2 \pm^{0.6}_{0.5}$ & $1.74 \pm 0.2$  & $0.78 \pm 0.13$  &  $43.57 \pm^{0.05}_{0.06}$ & $<$1.0    & 20.6/36 \\[1mm]
PKS1607+26  & $<$2                   & $0.4 \pm 0.3$ & $4.2\pm^{1.5}_{0.6}$      &$44.27 \pm 0.01$  & $<$0.7  & 32.2/21\\[1mm]
PKS2127+04  & $<$19 & 1.98$^{+0.5}_{-0.4}$ & $0.49 \pm^{0.12}_{0.17}$  & $44.46 \pm 0.06$ & $<$0.9    & 14.7/16 \\[1mm]
\hline
\end{tabular}}
\par
\medskip
$^a$~In erg~s$^{-1}$. 
\end{table}