<< previous  next >>

Gaia21arn




Other surveys detections
None
Comments
Gaia source fades below detection level for 1 year before reappearing
ATels
None
AstroNotes
None

TNS ID
AT2021cho

RA - DEC
136.90827   -30.09536
09:07:37.98   -30:05:43.30
Galactic coords.
255.87531   11.68197

Alerting date
2021-02-01 13:00:28
Julian date (TCB)
2459247.04
Alerting magnitude
19.68
Historic magnitude
18.21
Historic StdDev
0.23
Class
unknown
Publication date
Feb. 9, 2021, 9:44 a.m.
  • See here for an explanation of lightcurves.


Click and scroll down and select one row in the table below to display the corresponding spectrum.


Date JD Average Mag.
2014-11-27 19:12:57 2456989.30 18.22
2015-05-19 06:21:49 2457161.77 18.22
2015-06-15 00:08:49 2457188.51 18.07
2015-07-29 03:08:42 2457232.63 18.00
2015-07-29 04:55:17 2457232.71 18.10
2015-07-29 09:08:56 2457232.88 18.01
2015-10-04 13:40:26 2457300.07 18.14
2015-10-04 15:27:00 2457300.14 18.07
2015-11-13 02:29:05 2457339.60 18.21
2015-11-13 06:42:47 2457339.78 18.15
2015-12-12 02:13:48 2457368.59 18.19
2016-01-06 14:12:41 2457394.09 18.38
2016-01-06 18:26:21 2457394.27 18.28
2016-03-04 06:17:05 2457451.76 18.49
2016-03-04 14:03:53 2457452.09 18.40
2016-03-04 20:04:07 2457452.34 18.15
2016-03-05 00:17:47 2457452.51 18.30
2016-03-05 02:04:21 2457452.59 18.12
2016-03-05 06:18:01 2457452.76 18.19
2016-03-13 08:11:18 2457460.84 18.11
2016-03-13 12:24:58 2457461.02 18.23
2016-03-13 18:25:11 2457461.27 18.17
2016-03-13 20:11:45 2457461.34 18.19
2016-03-14 00:25:25 2457461.52 18.13
2016-03-14 02:11:59 2457461.59 18.25
2016-03-14 06:25:39 2457461.77 18.28
2016-04-30 01:46:34 2457508.57 17.97
2016-06-01 23:32:27 2457541.48 17.92
2016-06-02 01:19:00 2457541.55 17.74
2016-08-11 11:50:46 2457611.99 18.21
2016-08-11 16:04:26 2457612.17 18.41
2016-08-11 22:04:40 2457612.42 18.30
2016-08-12 04:04:54 2457612.67 18.22
2016-08-12 05:51:28 2457612.74 18.11
2016-08-13 04:05:50 2457613.67 17.57
2016-08-13 10:06:04 2457613.92 17.65
2016-08-13 11:52:38 2457613.99 17.67
2016-08-13 17:52:52 2457614.25 17.70
2016-08-13 22:06:32 2457614.42 17.83
2016-08-13 23:53:06 2457614.50 17.85
2016-08-14 05:53:20 2457614.75 18.05
2016-10-02 04:17:55 2457663.68 18.03
2016-10-02 08:31:36 2457663.86 18.15
2016-11-23 03:37:40 2457715.65 18.16
2016-12-26 01:30:30 2457748.56 18.12
2016-12-26 03:17:04 2457748.64 18.33
2017-01-17 01:37:27 2457770.57 18.19
2017-03-15 14:49:57 2457828.12 17.87
2017-03-15 16:36:31 2457828.19 18.12
2017-03-15 22:36:44 2457828.44 18.20
2017-04-02 04:46:04 2457845.70 18.28
2017-04-02 08:59:43 2457845.87 18.18
2017-04-02 10:46:17 2457845.95 18.18
2017-05-11 20:31:06 2457885.35 18.13
2017-05-11 22:17:39 2457885.43 18.14
2017-06-16 09:37:32 2457920.90 18.20
2017-06-16 13:51:11 2457921.08 18.15
2017-07-06 03:37:40 2457940.65 17.48
2017-10-12 10:55:00 2458038.95 18.24
2017-10-12 12:41:35 2458039.03 18.24
2017-12-04 04:23:05 2458091.68 18.30
2017-12-04 06:09:40 2458091.76 18.01
2018-01-11 05:46:25 2458129.74 18.28
2018-01-27 23:57:12 2458146.50 18.17
2018-01-28 04:10:52 2458146.67 18.26
2018-01-28 05:57:26 2458146.75 18.19
2018-01-28 10:11:07 2458146.92 18.37
2018-03-27 04:00:10 2458204.67 18.20
2018-03-27 05:46:44 2458204.74 18.12
2018-04-18 23:51:01 2458227.49 18.11
2018-05-23 09:38:43 2458261.90 18.21
2018-05-23 11:25:17 2458261.98 18.34
2018-06-30 22:33:19 2458300.44 18.33
2018-07-16 14:51:01 2458316.12 18.33
2018-07-16 16:37:35 2458316.19 18.41
2018-09-04 09:00:27 2458365.88 18.40
2018-09-04 13:14:08 2458366.05 18.38
2018-09-04 15:00:42 2458366.13 18.27
2018-09-04 19:14:22 2458366.30 18.40
2018-09-04 21:00:57 2458366.38 18.39
2018-09-05 01:14:37 2458366.55 18.06
2018-09-05 03:01:11 2458366.63 18.44
2018-09-05 07:14:51 2458366.80 18.13
2018-09-05 13:15:06 2458367.05 18.17
2018-09-05 19:15:20 2458367.30 18.25
2018-09-06 01:15:34 2458367.55 18.02
2018-09-06 03:02:09 2458367.63 17.80
2018-09-06 07:15:49 2458367.80 17.93
2018-09-06 09:02:23 2458367.88 18.09
2018-09-06 13:16:04 2458368.05 18.32
2018-09-06 15:02:38 2458368.13 18.31
2018-09-06 19:16:18 2458368.30 18.43
2018-10-22 23:58:37 2458414.50 18.08
2019-01-29 17:12:56 2458513.22 18.31
2019-01-29 23:13:11 2458513.47 18.29
2019-01-30 00:59:45 2458513.54 18.30
2019-01-30 05:13:26 2458513.72 18.26
2019-01-30 07:00:00 2458513.79 18.35
2019-01-30 11:13:41 2458513.97 18.34
2019-01-30 13:00:15 2458514.04 18.18
2019-01-30 19:00:30 2458514.29 18.28
2019-02-07 13:07:29 2458522.05 18.32
2019-02-07 23:21:24 2458522.47 18.30
2019-02-08 01:07:58 2458522.55 18.06
2019-02-08 07:08:13 2458522.80 18.46
2019-02-08 11:21:53 2458522.97 18.03
2019-04-07 23:10:14 2458581.47 18.25
2019-04-08 00:56:48 2458581.54 18.14
2019-05-04 12:51:58 2458608.04 18.34
2019-06-03 22:45:31 2458638.45 18.31
2019-06-04 00:32:05 2458638.52 18.36
2019-07-15 03:42:07 2458679.65 18.50
2019-07-15 05:28:41 2458679.73 18.39
2019-08-03 19:52:09 2458699.33 18.54
2019-08-04 00:05:49 2458699.50 18.64
2019-08-04 01:52:23 2458699.58 18.66
2019-08-04 06:06:02 2458699.75 18.27
2019-08-04 07:52:36 2458699.83 18.30
2019-08-04 12:06:16 2458700.00 18.18
2019-08-04 13:52:50 2458700.08 18.42
2019-08-04 18:06:30 2458700.25 18.65
2019-08-04 19:53:04 2458700.33 18.42
2019-08-05 00:06:44 2458700.50 18.34
2019-08-11 18:13:21 2458707.26 18.69
2019-08-12 00:13:36 2458707.51 18.66
2019-08-12 02:00:10 2458707.58 18.56
2019-08-12 06:13:50 2458707.76 18.60
2019-08-12 08:00:24 2458707.83 18.42
2019-08-12 12:14:04 2458708.01 18.34
2019-08-12 14:00:38 2458708.08 18.37
2019-08-12 18:14:18 2458708.26 18.28
2019-08-13 00:14:32 2458708.51 18.43
2019-08-13 02:01:06 2458708.58 18.38
2019-08-13 08:01:19 2458708.83 18.54
2019-10-12 04:05:26 2458768.67 20.20
2019-11-07 15:14:58 2458795.14 20.89
2021-01-31 05:12:40 2459245.72 19.14
2021-01-31 11:12:55 2459245.97 19.42
2021-01-31 17:13:10 2459246.22 19.24
2021-01-31 18:59:44 2459246.29 19.31
2021-01-31 23:13:25 2459246.47 19.26
2021-02-01 00:59:59 2459246.54 19.51
2021-02-01 05:13:39 2459246.72 19.30
2021-02-01 07:00:14 2459246.79 19.44
2021-02-01 13:00:28 2459247.04 19.68
2021-02-07 13:05:59 2459253.05 19.39
2021-02-07 19:06:13 2459253.30 19.68
2021-02-07 23:19:53 2459253.47 19.42
2021-02-08 01:06:27 2459253.55 19.41
2021-02-08 05:20:07 2459253.72 19.65
2021-02-08 07:06:42 2459253.80 19.57
2021-02-08 11:20:22 2459253.97 19.48
2021-02-08 13:06:56 2459254.05 19.69
2021-02-08 19:07:11 2459254.30 19.73
2021-02-08 23:20:51 2459254.47 19.78
2021-04-08 11:09:03 2459312.96 18.59
2021-04-08 12:55:37 2459313.04 18.35
2021-05-05 11:03:26 2459339.96 18.66
2021-05-05 12:50:00 2459340.03 18.81
2021-06-04 10:44:02 2459369.95 18.71
2021-07-16 03:39:50 2459411.65 19.19
2021-07-27 05:32:25 2459422.73 19.79
2021-07-27 09:46:05 2459422.91 19.51
2021-07-27 11:32:39 2459422.98 19.57



2015 - Institute of Astronomy, University of Cambridge, UK - Privacy policy