Table 1: X-ray data for the observed candidates.

No.	1RX	X-ray position		ML	CR	error CR	HR1	error	HR2	error
	name	RA (2000)	Dec (2000)		[cps]	[cps]		HR1		HR2	[erg cm-2 s-1]
1	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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	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