\begin{table}%T3
%\centering
\small
\caption{Results of X-ray spectral fits: first rows. The complete version 
is available in the electronic edition of the Journal.}
\label{xspec}
\begin{tabular}{lllllll} 
\hline \hline
\multicolumn{1}{l}{$N_{\rm x}$} &
\multicolumn{1}{l}{Cnts} &
\multicolumn{1}{l}{log($N_{\rm H}$)} &
\multicolumn{1}{l}{$kT$} &
\multicolumn{1}{l}{log(EM)} &
\multicolumn{1}{l}{{Stat.}} &
\multicolumn{1}{l}{{d.o.f.}} \\
\multicolumn{1}{l}{\#} &
\multicolumn{1}{l}{(ph.)} &
\multicolumn{1}{l}{(cm$^{-2}$)}&
\multicolumn{1}{l}{(keV)}&
\multicolumn{1}{l}{(cm$^{-3}$)} &
\multicolumn{1}{l}{($\chi^2_\nu$)} &
\multicolumn{1}{l}{} \\
\hline
   1  &      67  &  22.13 $\pm$ 0.26  &  9.99           &  53.70  &   0.34  &	17  \\
   2  &      72  &  21.05 $\pm$ 0.34  &  0.74 $\pm$ 0.12  &  53.40  &   1.54  &	17   \\
   3  &      35  &  21.75 $\pm$ 0.03  &  9.99           &  53.40  &   0.38  &	 9   \\
   5  &      55  &  22.15 $\pm$ 0.27  &  6.05 $\pm$ 8.52  &  53.40  &   0.81  &	14   \\
   6  &     216  &  22.13 $\pm$ 0.68  &  5.52 $\pm$ 3.06  &  54.10  &   0.96  &	19  \\
   7  &      49  &  21.86 $\pm$ 0.04  &  9.99           &  53.40  &   0.78  &	15   \\
   8  &      33  &  21.70 $\pm$ 0.08  &  9.99           &  53.40  &   0.51  &	 9   \\
   9  &      64  &  21.44 $\pm$ 0.03  &  9.99           &  53.40  &   0.76  &	14   \\
  10  &      50  &  21.60 $\pm$ 0.10  &  1.04 $\pm$ 0.23  &  53.40  &   1.00  &	12   \\
  12  &      99  &  22.14 $\pm$ 0.47  &  2.19 $\pm$ 0.91  &  53.88  &   1.02  &	24   \\
  13  &      44  &  22.42 $\pm$ 0.29  &  3.74 $\pm$ 3.87  &  53.70  &   1.20  &	10   \\
  14  &      75  &  22.51 $\pm$ 0.30  &  9.99           &  53.70  &   1.10  &	19   \\
  15  &      60  &  21.90 $\pm$ 0.24  &  6.85 $\pm$ 8.19  &  53.40  &   0.66  &	14   \\
  16  &      30  &  22.53 $\pm$ 0.10  &  2.72 $\pm$ 2.67  &  53.70  &   0.82  &	 7   \\
  17  &    3173  &  22.16 $\pm$ 0.25  &  1.34 $\pm$ 0.64  &  55.65  &   1.57  &    252   \\
  19  &      25  &  22.48 $\pm$ 0.15  &  3.43 $\pm$ 4.19  &  53.40  &   0.56  &	 6   \\
  20  &      49  &  22.26 $\pm$ 0.30  &  3.04 $\pm$ 1.86  &  53.70  &   0.72  &	11   \\
\hline
\end{tabular}
\end{table}