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Gaia21btv




Other surveys detections
None
Comments
~2 mag brightening in known AGN ICRF J041556.5+445249
ATels
None
AstroNotes
None

TNS ID
AT2021izf

RA - DEC
63.98550   44.88048
04:15:56.52   44:52:49.73
Galactic coords.
156.51653   -4.24562

Alerting date
2021-03-17 20:27:43
Julian date (TCB)
2459291.35
Alerting magnitude
18.19
Historic magnitude
19.85
Historic StdDev
0.40
Class
AGN
Publication date
April 10, 2021, 9:23 p.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.
2015-04-17 14:06:47 2457130.09 19.50
2015-04-17 18:20:26 2457130.26 19.50
2015-04-17 20:07:00 2457130.34 19.49
2015-10-17 08:01:42 2457312.83 20.26
2015-10-17 12:15:23 2457313.01 20.36
2016-02-02 04:22:45 2457420.68 20.56
2016-02-02 08:36:24 2457420.86 20.54
2016-09-07 01:52:49 2457638.58 19.48
2016-09-07 03:39:24 2457638.65 19.47
2017-01-26 17:20:32 2457780.22 20.66
2017-02-15 18:39:45 2457800.28 20.31
2018-03-02 01:34:14 2458179.57 20.40
2018-03-29 07:19:56 2458206.81 20.58
2018-08-05 23:46:50 2458336.49 20.00
2018-08-06 01:33:25 2458336.56 20.11
2018-09-28 11:34:19 2458389.98 20.04
2019-02-15 19:06:52 2458530.30 18.92
2019-03-17 00:43:38 2458559.53 19.92
2019-09-20 07:51:43 2458746.83 20.15
2019-10-12 18:48:29 2458769.28 19.83
2019-10-12 20:35:04 2458769.36 19.85
2020-02-13 22:32:57 2458893.44 19.28
2020-02-14 00:19:31 2458893.51 19.23
2020-04-05 00:29:15 2458944.52 20.13
2020-07-13 07:10:06 2459043.80 20.52
2020-07-20 21:05:39 2459051.38 19.76
2020-07-21 01:19:20 2459051.56 19.62
2020-07-21 03:05:54 2459051.63 19.55
2020-08-06 11:45:51 2459067.99 20.69
2020-09-28 23:33:02 2459121.48 19.72
2020-09-29 01:19:37 2459121.56 19.72
2021-02-16 02:51:49 2459261.62 19.75
2021-03-17 20:27:43 2459291.35 18.19
2021-04-09 00:40:35 2459313.53 17.72
2021-04-09 02:27:09 2459313.60 17.88
2021-08-17 14:44:08 2459444.11 19.67
2021-09-19 08:22:21 2459476.85 20.58
2021-10-08 20:25:41 2459496.35 20.49
2021-10-09 00:39:22 2459496.53 20.39
2022-01-11 09:01:43 2459590.88 19.79
2022-01-11 10:48:17 2459590.95 19.84
2022-01-11 15:01:57 2459591.13 19.83
2022-01-11 16:48:30 2459591.20 19.84
2022-01-18 22:53:25 2459598.45 20.11
2022-01-19 03:07:04 2459598.63 19.95
2022-01-19 04:53:38 2459598.70 20.08
2022-04-02 21:26:34 2459672.39 20.75
2022-04-03 01:40:13 2459672.57 20.64
2022-04-18 01:47:24 2459687.57 20.59
2022-04-18 03:33:58 2459687.65 20.32
2022-07-13 04:14:59 2459773.68 19.83
2022-07-13 10:15:15 2459773.93 19.87
2022-07-13 14:28:56 2459774.10 19.73
2022-07-13 16:15:31 2459774.18 19.74
2022-07-13 20:29:12 2459774.35 19.74
2022-07-13 22:15:47 2459774.43 19.73
2022-07-14 02:29:28 2459774.60 19.79
2022-07-14 04:16:02 2459774.68 19.73
2022-07-14 08:29:43 2459774.85 19.45
2022-07-14 10:16:18 2459774.93 19.42
2022-07-14 14:29:59 2459775.10 19.53
2022-07-15 04:17:06 2459775.68 19.78
2022-07-15 10:17:22 2459775.93 19.93
2022-08-28 20:09:20 2459820.34 20.06
2022-10-04 09:20:46 2459856.89 20.13
2022-10-17 21:28:21 2459870.39 19.99
2023-01-19 03:59:02 2459963.67 19.34
2023-01-19 05:45:36 2459963.74 19.46
2023-02-03 10:02:24 2459978.92 19.55
2023-03-09 09:20:45 2460012.89 20.07
2023-03-09 11:07:18 2460012.96 20.07
2023-07-17 23:17:19 2460143.47 20.11
2023-08-05 03:40:59 2460161.65 19.93
2023-08-05 05:27:34 2460161.73 19.88
2023-09-08 23:07:00 2460196.46 19.38



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