\begin{table}%t1
%\centering
\par
\caption{X-ray data for the observed candidates.\label{xray sources}}
\begin{tabular}{lcccccclclcc}
\hline \hline
No. & 1RX & \multicolumn{2}{c}{X-ray position} & $ML$ & $CR$ & error $CR$ & 
\multicolumn{1}{c}{$HR1$} & error & \multicolumn{1}{c}{$HR2$} & error & $f_{\rm X}/10^{-13}$ \\
\cline{3-4}
 & name & RA (2000) & Dec (2000) &  & [cps] & [cps] && HR1 &&HR2 & [erg cm$^{-2}$ s$^{-1}$]\\
 \hline
1 & \object{J000002.5+733942} & 00:00:02.5 & +73:39:42 & 11.7 & 0.018 & 0.006 & 1 & 0.45 & 0.82 & 0.59 & 2.46\\
2 & \object{J000142.0+773057} & 00:01:42.0 & +77:30:57 & 47.7 & 0.029 & 0.006 & 0.85 & 0.16 & 0.47 & 0.21 & 3.74\\
3 & \object{J002827.8+785750} & 00:28:27.8 & +78:57:51 & 32.7 & 0.041 & 0.009 & 0.36 & 0.21 & 0.29 & 0.25 & 4.22\\
4 & \object{J003804.2+790328} & 00:38:04.2 & +79:03:29 & 161.4 & 0.110 & 0.014 & 0.06 & 0.12 & 0.07 & 0.17 & 9.49\\
5 & \object{J003904.2+791912} & 00:39:04.2 & +79:19:13 & 185.5 & 0.127 & 0.015 & 0.15 & 0.11 & 0.09 & 0.14 & 11.56\\
6 & \object{J004621.1+741251} & 00:46:21.1 & +74:12:51 & 33.3 & 0.026 & 0.007 & 1 & 0.19 & 0.27 & 0.24 & 3.55\\
7 & \object{J005300.8+682125} & 00:53:00.8 & +68:21:25 & 56.1 & 0.065 & 0.012 & 0.22 & 0.17 & 0.12 & 0.21 & 6.16\\
8 & \object{J010117.1+713113} & 01:01:17.1 & +71:31:14 & 42.5 & 0.039 & 0.009 & 0.66 & 0.21 & 0.31 & 0.22 & 4.65\\
9 & \object{J010929.0+683915} & 01:09:29.0 & +68:39:16 & 58.8 & 0.046 & 0.010 & 0.94 & 0.17 & 0.3 & 0.21 & 6.05\\
10 & \object{J011934.6+713027} & 01:19:34.6 & +71:30:28 & 9.7 & 0.009 & 0.005 & 1 & 0.24 & 0.68 & 0.45 & 1.24\\
11 & \object{J012927.4+744448} & 01:29:27.4 & +74:44:49 & 53.0 & 0.039 & 0.008 & 0.44 & 0.21 & 0.25 & 0.23 & 4.19\\
12 & \object{J013925.5+701853} & 01:39:25.5 & +70:18:54 & 86.3 & 0.056 & 0.010 & 0.98 & 0.18 & 0.02 & 0.18 & 7.58\\
13 & \object{J022036.3+774419} & 02:20:36.3 & +77:44:20 & 11.8 & 0.016 & 0.007 & 0.65 & 0.58 & 0.68 & 0.31 & 1.83\\
14 & \object{J022613.0+681127} & 02:26:13.0 & +68:11:28 & 30.9 & 0.032 & 0.008 & 1 & 0.24 & 0.25 & 0.25 & 4.33\\
15 & \object{J200549.1+770550} & 20:05:49.1 & +77:05:50 & 22.8 & 0.016 & 0.004 & 1 & 0.26 & 0.34 & 0.25 & 2.20\\
16 & \object{J201151.4+783434} & 20:11:51.4 & +78:34:34 & 43.1 & 0.023 & 0.005 & 0.88 & 0.15 & 0.07 & 0.21 & 2.96\\
17 & \object{J201424.6+660521} & 20:14:24.6 & +66:05:21 & 36.6 & 0.027 & 0.005 & 0.19 & 0.21 & 0.36 & 0.27 & 2.48\\
18 & \object{J201948.8+653408} & 20:19:48.8 & +65:34:08 & 46.1 & 0.026 & 0.005 & 0.79 & 0.15 & 0.08 & 0.21 & 3.25\\
19 & \object{J202026.6+780717} & 20:20:26.6 & +78:07:17 & 53.2 & 0.035 & 0.006 & 0.14 & 0.17 & 0.46 & 0.19 & 3.18\\
20 & \object{J202513.8+733638} & 20:25:13.8 & +73:36:38 & 350.2 & 0.188 & 0.016 & 0.2 & 0.08 & 0.12 & 0.10 & 17.62\\
21 & \object{J203341.8+705321} & 20:33:41.8 & +70:53:21 & 21.9 & 0.021 & 0.006 & 0.15 & 0.23 & 0.27 & 0.29 & 1.95\\
22 & \object{J203813.1+692413} & 20:38:13.1 & +69:24:14 & 33.9 & 0.032 & 0.007 & 0.51 & 0.19 & 0.24 & 0.25 & 3.51\\
23 & \object{J204327.6+711546} & 20:43:27.6 & +71:15:47 & 9.8 & 0.007 & 0.004 & 1 & 0.72 & 0.39 & 0.51 & 0.91\\
24 & \object{J205312.2+792031} & 20:53:12.2 & +79:20:32 & 10.5 & 0.010 & 0.004 & 0.35 & 0.41 & 0.26 & 0.38 & 0.97\\
25 & \object{J205607.9+651033} & 20:56:07.9 & +65:10:33 & 41.0 & 0.031 & 0.007 & 0.7 & 0.17 & 0.13 & 0.23 & 3.70\\
26 & \object{J210419.0+750359} & 21:04:19.0 & +75:03:59 & 80.8 & 0.055 & 0.009 & 0.15 & 0.16 & 0.15 & 0.18 & 5.04\\
27 & \object{J211024.8+704600} & 21:10:24.8 & +70:46:01 & 186.2 & 0.101 & 0.012 & 0.05 & 0.11 & 0.05 & 0.15 & 8.66\\
28 & \object{J211127.5+761435} & 21:11:27.5 & +76:14:35 & 66.7 & 0.054 & 0.009 & 0.44 & 0.17 & 0.38 & 0.17 & 5.75\\
29 & \object{J211143.9+685428} & 21:11:43.9 & +68:54:29 & 22.9 & 0.016 & 0.005 & 0.49 & 0.35 & 0.69 & 0.24 & 1.76\\
30 & \object{J213253.9+703751} & 21:32:53.9 & +70:37:52 & 21.4 & 0.021 & 0.007 & 1 & 0.25 & 0.33 & 0.29 & 2.91\\
31 & \object{J213749.2+803228} & 21:37:49.2 & +80:32:28 & 91.8 & 0.056 & 0.009 & 0.61 & 0.14 & 0.24 & 0.15 & 6.50\\
32 & \object{J214258.6+803021} & 21:42:58.6 & +80:30:22 & 15.5 & 0.013 & 0.005 & 1 & 0.65 & 0.35 & 0.32 & 1.71\\
33 & \object{J220524.6+655219} & 22:05:24.6 & +65:52:20 & 48.2 & 0.054 & 0.011 & 0.76 & 0.15 & 0.18 & 0.21 & 6.61\\
34 & \object{J221107.9+791801} & 22:11:07.9 & +79:18:01 & 72.0 & 0.047 & 0.008 & 0.11 & 0.15 & 0.13 & 0.20 & 4.21\\
35 & \object{J221158.7+681953} & 22:11:58.7 & +68:19:53 & 61.8 & 0.060 & 0.011 & 0.1 & 0.19 & 0.14 & 0.26 & 5.34\\
36 & \object{J222706.6+652127} & 22:27:06.6 & +65:21:27 & 32.9 & 0.030 & 0.008 & 0.94 & 0.20 & 0.08 & 0.25 & 4.04\\
37 & \object{J223345.1+703321} & 22:33:45.1 & +70:33:21 & 35.3 & 0.036 & 0.010 & 0.82 & 0.21 & 0.77 & 0.21 & 4.49\\
38 & \object{J223956.5+774934} & 22:39:56.5 & +77:49:35 & 53.1 & 0.043 & 0.008 & 0.17 & 0.17 & 0.05 & 0.22 & 3.96\\
39 & \object{J225133.9+763549} & 22:51:33.9 & +76:35:50 & 77.5 & 0.058 & 0.009 & 0.55 & 0.15 & 0.26 & 0.17 & 6.51\\
40 & \object{J230043.2+772833} & 23:00:43.2 & +77:28:33 & 166.6 & 0.098 & 0.012 & 0.23 & 0.11 & 0.31 & 0.14 & 9.32\\
41 & \object{J230533.0+782238} & 23:05:33.0 & +78:22:39 & 96.6 & 0.058 & 0.009 & 0.11 & 0.14 & 0.43 & 0.17 & 5.11\\
42 & \object{J230757.5+765146} & 23:07:57.5 & +76:51:47 & 26.3 & 0.027 & 0.007 & 1 & 0.18 & 0.25 & 0.25 & 3.67\\
43 & \object{J230942.9+735725} & 23:09:42.9 & +73:57:25 & 36.5 & 0.052 & 0.010 & 0.44 & 0.20 & 0.31 & 0.22 & 5.49\\
44 & \object{J231616.5+784156} & 23:16:16.5 & +78:41:57 & 661.7 & 0.238 & 0.016 & 0.07 & 0.07 & 0.32 & 0.09 & 20.66\\
45 & \object{J234342.3+684631} & 23:43:42.3 & +68:46:32 & 39.3 & 0.042 & 0.010 & 0.85 & 0.22 & 0.37 & 0.25 & 5.36\\
46 & \object{J235107.5+785802} & 23:51:07.5 & +78:58:02 & 102.7 & 0.069 & 0.010 & 0.16 & 0.13 & 0.28 & 0.16 & 6.28\\
\hline
\end{tabular}
\end{table}