\begin{table}%t3
  %\centering
\par
  \caption {\label{tab:fluxfits}Summary of the fits in different flux-limited subsamples.}
    \begin{tabular}{lcccc}
    \hline
    \hline
    \noalign{\smallskip}
    Band (keV) &   Flux limit & $N_{\rm sou}$ & $\theta_0$   & $\gamma-1$      \\
               &   (\cgs{}) &          &  (arcsec)     \\
    \noalign{\smallskip}
    \hline
    \noalign{\smallskip}
    Soft (0.5--2)   &   $5 \times 10^{-15}$ & 23264 & $\rm 27.3_{-3.3}^{+3.2}$ & $\rm 1.16_{-0.06}^{+0.05}$  \\
       &    &  & $8.7\pm0.1$ & 0.8 (fixed)   \\
    \noalign{\smallskip}
    Soft (0.5--2)   &   $1 \times 10^{-14}$ & 12~046 & $\rm 37.3_{-5.4}^{+5.0}$ & $\rm 1.28_{-0.09}^{+0.08}$  \\
       &    &  & 9.9~$\pm$~0.2 & 0.8 (fixed)   \\
    \noalign{\smallskip}
    Soft (0.5--2)    & $4 \times 10^{-14}$ & 1346 & $\rm 87.8_{-13.4}^{+8.5}$ & $\rm 2.34_{-0.34}^{+0.31}$   \\
       &    &  & $7.6\pm1.5$ & 0.8 (fixed)   \\
    \noalign{\smallskip}
    Hard (2--10)   &  $3 \times 10^{-14}$ & 4790 & $\rm 23.5_{-12.4}^{+11.5}$ & $\rm 1.11_{-0.24}^{+0.20}$   \\
       &     &  & $\rm 8.3_{-0.4}^{0.3}$ & 0.8 (fixed)   \\
    \noalign{\smallskip}
     Hard (2--10)  &  $6 \times 10^{-14}$  & 1571 & $\rm 14.1_{-1.4}^{+1.5}$ & 0.8 (fixed)   \\
    \noalign{\smallskip}
    Hard (2--10)   &  $9 \times 10^{-14}$ & 609 & $\rm 19.2_{-3.9}^{+4.0}$ & 0.8 (fixed)  \\
    \hline
 \end{tabular}
\end{table}