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Gaia21efk




Other surveys detections
None
Comments
long-term 1.5 mag decline after 0.5 brightening in previously constant Gaia source
ATels
None
AstroNotes
None

TNS ID
AT2021zip

RA - DEC
306.73884   40.98609
20:26:57.32   40:59:09.92
Galactic coords.
79.26178   1.55325

Alerting date
2021-09-10 05:19:03
Julian date (TCB)
2459467.72
Alerting magnitude
19.99
Historic magnitude
18.72
Historic StdDev
0.21
Class
unknown
Publication date
Sept. 24, 2021, 10:07 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.
2014-11-30 10:22:45 2456991.93 19.04
2015-02-09 21:39:49 2457063.40 19.05
2015-02-10 01:53:29 2457063.58 19.06
2015-02-10 03:40:03 2457063.65 19.07
2015-03-05 02:01:24 2457086.58 19.05
2015-03-05 03:47:58 2457086.66 19.03
2015-04-15 07:39:05 2457127.82 19.06
2015-05-17 13:21:34 2457160.06 19.02
2015-05-17 15:08:09 2457160.13 18.92
2015-10-08 16:52:33 2457304.20 19.11
2015-10-08 18:39:07 2457304.28 19.13
2015-11-14 15:57:55 2457341.17 19.07
2015-12-14 11:23:00 2457370.97 19.04
2016-01-10 21:28:15 2457398.39 19.10
2016-01-10 23:14:49 2457398.47 19.12
2016-02-24 04:50:13 2457442.70 19.07
2016-02-24 09:03:53 2457442.88 19.10
2016-03-19 09:10:26 2457466.88 19.10
2016-03-19 10:57:00 2457466.96 19.07
2016-06-23 14:18:35 2457563.10 19.06
2016-06-23 16:05:09 2457563.17 19.09
2016-08-05 02:53:57 2457605.62 19.08
2016-08-19 07:13:17 2457619.80 19.07
2016-08-19 08:59:52 2457619.87 19.06
2016-09-30 23:51:20 2457662.49 19.06
2016-10-01 01:37:54 2457662.57 19.06
2016-11-24 23:03:40 2457717.46 19.07
2016-11-25 00:50:14 2457717.53 19.06
2016-12-27 18:25:07 2457750.27 19.03
2016-12-27 22:38:46 2457750.44 19.04
2017-01-22 10:37:29 2457775.94 19.09
2017-01-22 12:24:03 2457776.02 19.02
2017-03-08 19:23:25 2457821.31 19.05
2017-04-03 17:40:09 2457847.24 19.07
2017-04-03 19:26:44 2457847.31 19.02
2017-06-13 18:30:45 2457918.27 19.05
2017-07-05 04:44:25 2457939.70 18.99
2017-07-05 06:31:00 2457939.77 19.00
2017-08-17 11:13:19 2457982.97 18.99
2017-08-31 11:18:55 2457996.97 19.04
2017-08-31 15:32:35 2457997.15 18.94
2017-10-12 02:15:04 2458038.59 19.05
2017-10-12 04:01:38 2458038.67 18.96
2017-11-03 09:55:02 2458060.91 18.95
2017-12-06 13:32:53 2458094.06 19.00
2018-01-11 13:05:44 2458130.05 18.98
2018-02-04 13:09:43 2458154.05 19.00
2018-03-21 14:33:47 2458199.11 19.02
2018-03-21 18:47:28 2458199.28 19.00
2018-04-18 14:31:35 2458227.11 18.93
2018-07-16 17:46:08 2458316.24 18.94
2018-08-29 04:23:40 2458359.68 18.81
2018-08-29 06:10:14 2458359.76 18.86
2018-09-13 00:15:12 2458374.51 18.85
2018-11-16 22:52:41 2458439.45 18.75
2019-01-26 09:59:17 2458509.92 18.80
2019-01-26 14:12:57 2458510.09 18.71
2019-01-26 15:59:31 2458510.17 18.75
2019-02-18 14:20:00 2458533.10 18.69
2019-02-18 16:06:34 2458533.17 18.76
2019-04-03 03:44:05 2458576.66 18.72
2019-04-03 07:57:46 2458576.83 18.70
2019-05-03 07:48:21 2458606.83 18.72
2019-05-03 09:34:56 2458606.90 18.70
2019-06-01 13:36:10 2458636.07 18.74
2019-07-11 06:41:22 2458675.78 18.79
2019-07-11 08:27:56 2458675.85 18.75
2019-07-30 14:59:10 2458695.12 18.75
2019-07-30 16:45:44 2458695.20 18.74
2019-07-30 20:59:24 2458695.37 18.82
2019-07-30 22:45:59 2458695.45 18.75
2019-10-07 17:22:43 2458764.22 18.79
2019-11-06 08:15:48 2458793.84 18.81
2019-12-04 01:35:02 2458821.57 18.88
2020-01-10 09:43:42 2458858.91 18.82
2020-01-26 04:09:46 2458874.67 18.91
2020-03-07 18:55:16 2458916.29 18.77
2020-03-23 15:08:43 2458932.13 18.74
2020-05-01 11:24:47 2458970.98 18.60
2020-05-30 04:48:29 2458999.70 18.59
2020-06-30 06:01:43 2459030.75 18.54
2020-06-30 07:48:18 2459030.83 18.46
2020-08-29 18:07:51 2459091.26 18.47
2020-09-13 16:26:18 2459106.18 18.51
2020-09-13 18:12:52 2459106.26 18.51
2020-10-23 21:16:02 2459146.39 18.52
2020-11-17 16:50:28 2459171.20 18.55
2020-12-18 20:38:58 2459202.36 18.69
2020-12-18 22:25:32 2459202.43 18.73
2021-01-27 08:11:33 2459241.84 19.07
2021-01-27 14:11:47 2459242.09 19.02
2021-02-19 08:18:49 2459264.85 19.18
2021-04-03 19:56:30 2459308.33 19.40
2021-06-02 01:34:39 2459367.57 19.59
2021-06-02 03:21:14 2459367.64 19.54
2021-07-12 00:39:08 2459407.53 19.87
2021-07-28 18:43:59 2459424.28 19.84
2021-09-10 05:19:03 2459467.72 19.99
2021-09-10 07:05:37 2459467.80 20.10



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