Precession check.

Explanation

Gaia source ID
Gaia RA, dec: epoch 2015.0
Mean UCAC RA, dec at epoch
UCAC RA, dec with PM added
epoch
UCAC precessed to 2015
UCAC precessed to 1950
Umag
2534280053261712768
1:23:58.08 +00:15:33.67
1:23:58.05 +00:15:34.04
1:23:58.35 +00:31:35.89
2000.267
1:24:43.39 +00:20:9.54
1:21:23.50 -00:00:8.91
10.045
2534281874327845504
1:23:58.25 +00:21:8.74
1:23:58.22 +00:21:8.81
1:23:58.49 +00:37:13.09
2000.276
1:24:43.55 +00:25:44.14
1:21:23.60 +00:05:25.70
10.154
2534274074666869376
1:24:49.34 +00:18:12.94
1:24:49.31 +00:18:13.73
1:24:49.56 +00:34:13.73
2000.231
1:25:34.78 +00:22:49.50
1:22:14.85 +00:02:32.79
10.595
2558064998031421440
1:29:47.80 +00:16:32.94
1:29:47.78 +00:16:33.07
1:29:47.93 +00:32:41.74
2000.2
1:30:33.34 +00:21:7.01
1:27:13.43 +00:01:0.72
10.713
2510264657726407424
1:39:52.35 +00:21:20.79
1:39:52.29 +00:21:21.13
1:39:52.92 +00:37:43.68
1999.955
1:40:38.61 +00:25:54.26
1:37:18.64 +00:06:10.82
10.819
2509471222648350208
1:44:52.96 +00:22:21.20
1:44:52.97 +00:22:21.36
1:45:56.57 +00:38:15.93
2000.411
1:45:37.90 +00:26:43.44
1:42:17.90 +00:07:12.15
10.993
2509513347687643008
1:45:39.22 +00:17:43.00
1:45:39.20 +00:17:42.98
1:45:39.41 +00:17:43.23
2000.374
1:46:24.23 +00:22:5.29
1:43:4.29 +00:02:35.92
10.568
2507772614626508288
1:54:59.90 +00:12:21.23
1:54:59.91 +00:12:21.25
1:56:5.49 +00:28:46.11
1999.969
1:55:46.18 +00:16:45.11
1:52:26.28 -00:02:19.78
10.725
2507820855695229312
1:57:21.96 +00:16:1.47
1:57:21.96 +00:16:1.51
1:57:21.96 +00:32:25.90
1999.973
1:58:8.23 +00:20:23.78
1:54:48.28 +00:01:25.38
10.802
2507624833387775872
1:59:32.12 +00:13:53.78
1:59:32.12 +00:13:53.93
1:59:32.15 +00:30:17.26
1999.972
2:00:18.38 +00:18:14.82
1:56:58.46 -00:00:37.53
10.127
565018787628207232
0:04:5.48 +79:53:21.45
0:04:5.49 +79:53:21.45
0:04:54.32 +79:53:21.48
2003.821
0:04:41.48 +79:57:5.45
0:01:15.43 +79:35:22.44
10.937
564984530969054208
0:18:5.29 +79:54:47.25
0:18:5.29 +79:54:47.27
0:18:54.12 +80:06:59.61
2003.821
0:18:46.44 +79:58:30.59
0:14:51.26 +79:36:50.97
10.797
565067028700860288
0:19:48.23 +79:58:16.88
0:19:47.89 +79:58:16.81
0:19:48.49 +79:58:17.58
2003.821
0:20:29.71 +80:01:59.98
0:16:30.76 +79:40:21.10
10.323
565067441017719808
0:20:2.51 +79:59:44.23
0:20:2.15 +79:59:44.23
0:20:2.78 +80:11:56.89
2003.82
0:20:44.07 +80:03:27.41
0:16:44.53 +79:41:48.64
10.067
565069914918883072
0:25:46.53 +79:58:9.77
0:25:46.29 +79:58:8.99
0:25:46.70 +79:58:16.76
2003.826
0:26:30.29 +80:01:51.47
0:22:18.90 +79:40:15.73
10.847
564877912701262592
0:29:20.16 +79:52:42.09
0:29:20.15 +79:52:42.04
0:29:20.17 +79:52:42.56
2003.82
0:30:5.38 +79:56:24.22
0:25:47.10 +79:34:50.77
10.369
564890419646368512
0:34:25.45 +79:56:56.74
0:34:25.38 +79:56:56.78
0:34:25.51 +80:09:8.01
2003.837
0:35:12.48 +80:00:37.92
0:30:43.25 +79:39:8.25
10.89
564887499068608640
0:38:31.68 +79:53:31.30
0:38:31.82 +79:53:31.23
0:39:20.35 +79:53:31.90
2003.837
0:39:20.33 +79:57:11.73
0:34:43.06 +79:35:45.57
10.469
564841010342595840
0:39:52.09 +79:54:33.29
0:39:51.80 +79:54:33.66
0:39:52.31 +80:06:41.58
2003.836
0:40:40.83 +79:58:13.95
0:36:0.68 +79:36:49.02
10.631
566333563017937792
0:46:37.09 +79:56:22.26
0:46:37.08 +79:56:22.18
0:46:37.10 +79:56:22.93
2003.837
0:47:28.60 +80:00:1.21
0:42:34.34 +79:38:43.14
10.362