\begin{table}%t2
\par
\caption{\label{tab2}X-ray coverage and 0.5--10~keV band flux of the sample.}
%\centerline
{\begin{tabular}{cccccc}
\hline\hline 
\multicolumn{1}{c} {ID}&
\multicolumn{1}{c} {Exposure}&
\multicolumn{1}{c} {Telescope}&
\multicolumn{1}{c} {CR$_{0.5-10}$}&
\multicolumn{1}{c} {Flux$_{0.5-10}$}&
\multicolumn{1}{c} {Log($F_{2-10}$/$F_{\rm R}$)}\\
 (1) & (2) &(3) & (4) & (5) & (6) \\
\hline  
1 & 18.8  & {\em XMM--N}  & $25.6\pm4.3$ &  $18.2\pm3.1$         &$50.1  \pm   8.4$ \\
2 & 23.2  & {\em XMM--N}  & $2.1\pm0.9$  &  $1.8\pm0.8$          &$<$2.0            \\
3 & 29.3  & {\em XMM--N}  & $<$2.4       &  $<$2.1               &$<$2.3             \\
4 & 38.0  & {\em XMM--N}  & $3.9\pm1.2$  &  $9.4\pm5.1$          &$79.4  \pm 24.4$   \\
5 & 31.8  & {\em XMM--N}  & $3.5\pm1.8$  &  $2.4\pm1.1$          &$0.4   \pm 0.2$    \\
6 & 32.1  & {\em XMM--N}  & $86.9\pm5.1$ &  $111\pm5.5$          &$131.8 \pm 7.7$    \\ 
7 & 6.8   & {\em XMM--N}  & $11.5\pm2.0$ &  $15.6\pm2.7$         &$8.1   \pm 3.4$   \\
8 & 9.0   & {\em XMM--N}  & $3.2\pm1.6$  &  $3.7\pm1.6$          &$3.0   \pm  1.5$  \\
9 & 21.7  & {\em XMM--N}  & $4.7\pm1.9$  &  $6.0\pm2.3$          &$18.2  \pm 9.7$   \\
10 & 23.7 & {\em XMM--N}  & $2.1\pm1.5$  &  $2.6\pm1.6$          &$<$0.7            \\
11 & 17.0 & {\em XMM--N}  & $8.5\pm3.3$  &  $6.8\pm2.3$          &$2.6   \pm 1.0$    \\
12 & 17.6 & {\em XMM--N}  & $17.6\pm3.0$ &  $29.1\pm9.0$         &$37.2  \pm 14.7$   \\
13 & 4.7  & \chandra~     & $<$13.6      &  $<$16.3              &$<$22.9           	  \\
14 & 4.4  & \chandra~     & $<$23.7      &  $<$41.9              &$<$53.24          	  \\
15 & 4.4  & \chandra~     & $<$14.2      &  $<$30.5              &$<$199.5          	  \\
16 & 4.4  & \chandra~     & $<$14.3      &  $<$25.3              &$<$67.6           	  \\
17 & 4.1  & \chandra~     & $<$20.6      &  $<$42.5              &$<$47.9           	  \\
18 & 4.5  & \chandra~     & $<$19.0      &  $<$33.6              &$<$107.2          	  \\
19 & 4.6  & \chandra~     & $10.3\pm4.9$ &  $15.0\pm8.7$         &$11.7  \pm 5.6$   	 \\
20 & 4.7  & \chandra~     & $<$23.9      &  $<$42.3              &$<$173.8            \\
21 & 4.5  & \chandra~     & $23.4\pm7.3$ &   $30.1\pm6.4$        &$25.1  \pm 7.8$      \\
22 & 7.0  & {\em XMM--N}  & $12.7\pm4.7$ &   $13.4\pm5.2$        &$6.5   \pm 2.4$     \\
23 & 4.4  & \chandra~     & $<$14.2      &  $<$29.5              &$<$47.59           \\
24 & 4.8  & \chandra~     & $<$17.9      &  $<$37.8              &$<$34.7            \\
25 & 4.6  & \chandra~     & $15.3\pm5.2$ &  $22.1\pm5.5$         &$44.7  \pm 15.2$    \\
26 & 4.4  & \chandra~     & $<$23.6      &  $<$49.8              &$<$182.0           \\
27 & 68.4 & \chandra~     & $<$2.1       &  $<$3.7               &$<$2.3              \\
28 & 4.4  & \chandra~     & $<$13.7      &  $<$23.6              &$<$24.5            \\
29 & 4.7  & \chandra~     & $<$22.0      &  $<$25.2              &$<$53.7            \\
30 & 4.5  & \chandra~     & $<$20.0      &  $<$45.3              &$<$107.2           \\
31 & 66.9 & \chandra~     &$1.4\pm0.5$   &   $2.0\pm0.8$         &$1.5   \pm 0.6$    \\ 
32 & 67.8 & \chandra~     & $2.3\pm0.6$  &  $3.6\pm0.8$          &$2.2   \pm  0.6$   \\
33 & 66.6 & \chandra~     & $2.6\pm0.7$  &  $4.4\pm0.8$          &$3.0   \pm 0.8 $   \\
34 & 4.7  & \chandra~     & $6.3\pm3.7$  &  $10.4\pm6.1$         &$<$8.5             \\
35 & 4.6  & \chandra~     & $<$14.4      &  $<$25.5              &$<$19.5              \\
36 & 14.2 & {\em XMM--N}  & $9.1\pm4.1$  &  $5.2\pm1.3$          &$5.2   \pm 2.4$    \\
37 & 4.7  & \chandra~     & $<$14.2      &  $<$31.9              &$<$6.3               \\				 
38 & 17.6 & {\em XMM--N}  & $<$3.0       & $<$4.3                &$<$4.8            	       \\
39 & 21.0 & {\em XMM--N}  & $37.0\pm4.8$ & $32.5\pm9.7$          &$41.7  \pm 5.4$   \\
40 & 21.1 & {\em XMM--N}  & $30.6\pm4.3$ & $20.0\pm2.1$          &$14.1  \pm 2.0$    \\
41 & 26.8 & {\em XMM--N}  & $21.9\pm3.4$ & $25.1\pm5.4$          &$45.7  \pm 7.1$    \\
42 & 14.5 & {\em XMM--N}  & $<$2.0       & $<$2.7                &  $<2.5$          	\\
43 & 14.1 & {\em XMM--N}  & $46.3\pm6.8$ & $20.4\pm3.0$          &$38.0  \pm 5.6$    \\
44 & 22.0 & {\em XMM--N}  & $49.7\pm5.4$ & $26.5\pm4.2$          &$19.1  \pm 2.1$    \\
\hline                                    
\end{tabular}}   
\par
\smallskip     
Column: 
(1) ID; 
(2) total effective exposure in ks;
(3) telescope (\xmm~or \chandra~);
(4) background-subtracted count rate in the T  band in units of $10^{-4}$ Count/s; 
(5) flux in the T  band in units of 10$^{-15}$ erg s$^{-1}$ cm$^{-2}$;       
(6) logarithm of the $F_{2-10}$/F$_{\rm R}$ ratio.
\end{table}