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Gaia21ann




Other surveys detections
None
Comments
~1 mag rise in known BLLac
ATels
None
AstroNotes
None

TNS ID
AT2021bku

RA - DEC
152.83534   -23.02208
10:11:20.48   -23:01:19.49
Galactic coords.
261.44987   26.67439

Alerting date
2021-01-29 10:55:17
Julian date (TCB)
2459243.96
Alerting magnitude
18.93
Historic magnitude
19.99
Historic StdDev
0.36
Class
BL Lac
Publication date
Jan. 31, 2021, 4:40 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.
2014-11-03 13:06:12 2456965.05 20.47
2015-12-08 08:05:09 2457364.84 19.88
2016-05-04 18:03:59 2457513.25 20.35
2016-05-04 19:50:33 2457513.33 20.35
2016-12-21 19:18:30 2457744.30 20.54
2017-05-16 04:22:21 2457889.68 20.61
2017-07-09 14:04:44 2457944.09 20.58
2017-10-16 04:45:39 2458042.70 20.15
2017-10-26 16:53:18 2458053.20 19.96
2017-10-26 18:39:53 2458053.28 19.84
2018-01-05 21:43:11 2458124.40 19.83
2018-01-05 23:29:46 2458124.48 19.89
2018-04-07 22:09:46 2458216.42 19.78
2018-04-07 23:56:20 2458216.50 19.77
2018-04-08 04:09:59 2458216.67 19.71
2018-04-08 05:56:33 2458216.75 19.75
2018-04-08 10:10:13 2458216.92 19.73
2018-04-08 16:10:26 2458217.17 19.73
2018-04-08 17:57:00 2458217.25 19.65
2018-04-08 23:57:13 2458217.50 19.79
2018-04-09 04:10:52 2458217.67 19.77
2018-04-09 05:57:26 2458217.75 19.73
2018-04-09 11:57:39 2458218.00 19.74
2018-04-11 23:59:45 2458220.50 19.93
2018-04-12 05:59:58 2458220.75 19.91
2018-04-12 10:13:37 2458220.93 19.83
2018-04-12 12:00:11 2458221.00 19.78
2018-04-12 16:13:50 2458221.18 19.87
2018-04-12 18:00:24 2458221.25 19.84
2018-04-12 22:14:03 2458221.43 19.93
2018-04-13 04:14:16 2458221.68 19.90
2018-04-13 10:14:29 2458221.93 19.89
2018-04-13 12:01:03 2458222.00 19.97
2018-04-13 16:14:43 2458222.18 19.85
2018-11-10 07:37:35 2458432.82 20.39
2019-01-24 10:52:14 2458507.95 20.23
2019-01-24 12:38:48 2458508.03 20.26
2019-01-24 18:39:04 2458508.28 20.25
2019-01-24 22:52:45 2458508.45 20.51
2019-01-25 00:39:19 2458508.53 20.51
2019-04-14 17:14:39 2458588.22 19.88
2019-04-14 19:01:13 2458588.29 19.95
2019-05-03 05:21:34 2458606.72 20.07
2019-07-29 08:02:51 2458693.84 20.09
2019-07-29 14:03:03 2458694.09 20.06
2019-07-29 18:16:42 2458694.26 20.22
2019-07-29 20:03:16 2458694.34 20.10
2019-07-30 00:16:56 2458694.51 20.28
2019-07-30 02:03:29 2458694.59 20.25
2019-07-30 06:17:09 2458694.76 20.20
2019-07-30 12:17:22 2458695.01 20.12
2019-07-30 18:17:35 2458695.26 20.21
2019-07-31 00:17:49 2458695.51 20.26
2019-07-31 06:18:02 2458695.76 20.32
2019-07-31 12:18:16 2458696.01 20.24
2019-08-02 02:06:11 2458697.59 20.29
2019-10-18 16:13:35 2458775.18 20.57
2019-10-18 20:27:16 2458775.35 20.41
2019-11-06 08:56:24 2458793.87 20.61
2019-12-09 22:29:46 2458827.44 19.58
2019-12-10 00:16:20 2458827.51 19.61
2020-01-26 14:38:08 2458875.11 19.90
2020-01-26 18:51:49 2458875.29 19.78
2020-01-26 20:38:23 2458875.36 19.79
2020-05-23 09:38:57 2458992.90 20.12
2020-05-23 13:52:36 2458993.08 20.03
2020-10-25 13:29:51 2459148.06 19.02
2020-11-10 23:48:43 2459164.49 19.09
2020-11-11 01:35:18 2459164.57 19.07
2021-01-26 10:52:14 2459240.95 19.10
2021-01-26 12:38:48 2459241.03 19.15
2021-01-26 16:52:29 2459241.20 19.15
2021-01-26 22:52:45 2459241.45 19.22
2021-01-27 00:39:19 2459241.53 19.20
2021-01-27 04:53:00 2459241.70 19.17
2021-01-27 06:39:35 2459241.78 19.21
2021-01-27 10:53:16 2459241.95 19.28
2021-01-27 12:39:50 2459242.03 19.26
2021-01-27 16:53:31 2459242.20 19.23
2021-01-27 22:53:46 2459242.45 19.21
2021-01-28 00:40:21 2459242.53 19.13
2021-01-28 06:40:36 2459242.78 19.13
2021-01-30 12:42:53 2459245.03 19.03
2021-04-15 05:13:30 2459319.72 18.70
2021-04-15 07:00:04 2459319.79 18.74
2021-05-04 11:19:54 2459338.97 18.73
2021-07-29 04:02:46 2459424.67 19.69
2021-07-29 05:49:19 2459424.74 19.65
2021-07-29 10:02:59 2459424.92 19.62
2021-07-29 11:49:33 2459424.99 19.61
2021-11-04 06:46:55 2459522.78 18.59
2022-12-09 07:45:08 2459922.82 19.22
2022-12-09 09:31:43 2459922.90 19.16
2023-05-06 13:31:34 2460071.06 18.78
2023-05-06 15:18:08 2460071.14 18.85
2023-06-30 13:04:53 2460126.05 18.67
2023-06-30 14:51:27 2460126.12 18.73
2023-12-23 22:31:46 2460302.44 18.93



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