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Gaia21ddc




Other surveys detections
None
Comments
variable Gaia and UV source brightens by >1 mag in 1 year
ATels
None
AstroNotes
None

TNS ID
AT2021sfn

RA - DEC
90.66082   -57.73300
06:02:38.60   -57:43:58.80
Galactic coords.
266.27288   -29.07556

Alerting date
2021-07-04 21:20:18
Julian date (TCB)
2459400.39
Alerting magnitude
18.70
Historic magnitude
19.72
Historic StdDev
0.30
Class
unknown
Publication date
July 6, 2021, 7:56 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.
2014-11-05 02:07:58 2456966.59 19.81
2015-01-06 07:26:23 2457028.81 19.69
2015-01-06 11:40:03 2457028.99 19.79
2015-02-05 23:20:14 2457059.47 19.76
2015-03-10 22:50:03 2457092.45 19.75
2015-03-11 00:36:37 2457092.53 19.71
2015-05-14 05:38:55 2457156.74 19.76
2015-07-16 20:56:01 2457220.37 19.80
2015-10-15 13:53:58 2457311.08 20.09
2015-11-17 19:26:48 2457344.31 20.15
2015-12-18 13:07:22 2457375.05 20.09
2015-12-18 14:53:57 2457375.12 20.08
2016-01-19 06:44:06 2457406.78 20.15
2016-02-18 08:11:19 2457436.84 20.05
2016-03-23 01:38:41 2457470.57 20.02
2016-07-28 15:58:51 2457598.17 19.94
2016-09-28 16:59:04 2457660.21 20.02
2016-10-27 20:57:22 2457689.37 20.03
2016-11-29 08:31:52 2457721.86 20.16
2016-12-30 08:12:02 2457752.84 19.99
2016-12-30 09:58:36 2457752.92 20.06
2017-01-31 03:34:13 2457784.65 19.90
2017-03-01 20:51:56 2457814.37 19.83
2017-04-05 04:02:59 2457848.67 19.71
2017-05-01 21:51:12 2457875.41 19.71
2017-06-08 07:18:05 2457912.80 19.86
2017-06-08 09:04:39 2457912.88 19.89
2017-07-03 13:10:41 2457938.05 19.97
2017-09-06 02:01:02 2458002.58 20.16
2017-11-09 23:23:27 2458067.47 20.20
2018-01-12 00:25:46 2458130.52 20.24
2018-02-13 06:00:05 2458162.75 20.21
2018-04-18 09:18:12 2458226.89 20.22
2018-06-21 08:20:02 2458290.85 20.05
2018-07-16 15:59:12 2458316.17 19.99
2018-08-23 01:28:09 2458353.56 19.88
2018-09-19 09:03:29 2458380.88 19.73
2018-10-23 18:44:58 2458415.28 19.83
2018-11-23 00:27:23 2458445.52 19.80
2018-11-23 02:13:57 2458445.59 19.79
2018-12-24 19:50:39 2458477.33 19.62
2019-02-26 05:16:21 2458540.72 19.51
2019-02-26 07:02:55 2458540.79 19.55
2019-03-26 17:00:19 2458569.21 19.49
2019-03-26 18:46:53 2458569.28 19.42
2019-05-01 10:19:38 2458604.93 19.33
2019-05-27 04:10:14 2458630.67 19.37
2019-05-27 05:56:48 2458630.75 19.37
2019-07-04 05:08:38 2458668.71 19.27
2019-07-28 13:10:43 2458693.05 19.36
2020-01-03 18:49:32 2458852.28 19.89
2020-01-03 20:36:06 2458852.36 19.81
2020-01-27 15:30:29 2458876.15 19.80
2020-03-02 23:21:14 2458911.47 19.77
2020-03-30 06:26:13 2458938.77 19.86
2020-05-03 12:13:27 2458973.01 19.76
2020-05-03 14:00:01 2458973.08 19.76
2020-06-04 13:31:29 2459005.06 19.83
2020-06-04 15:18:03 2459005.14 19.78
2020-08-23 19:26:34 2459085.31 19.73
2020-09-20 03:01:43 2459112.63 19.59
2020-10-24 12:43:29 2459147.03 19.40
2020-12-25 12:02:32 2459209.00 19.29
2020-12-25 13:49:07 2459209.08 19.28
2021-01-25 07:29:00 2459239.81 19.24
2021-02-26 23:14:36 2459272.47 19.18
2021-03-27 06:45:04 2459300.78 19.05
2021-05-02 04:17:46 2459336.68 18.79
2021-05-27 22:08:29 2459362.42 18.76
2021-05-27 23:55:03 2459362.50 18.76
2021-07-04 21:20:18 2459400.39 18.70
2021-07-04 23:06:52 2459400.46 18.70
2021-07-30 09:12:39 2459425.88 18.72
2021-07-30 10:59:13 2459425.96 18.73
2021-09-05 08:30:30 2459462.85 18.72



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