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Gaia21atb




Other surveys detections
MASTER J224412.70+405714.2 (0.59 arcsec)
Comments
long term decline of ~5 mag in known BLLac
ATels
5614  5690  6402  6780  6829  6837  7126  7451  8030  8318  8319 
AstroNotes
None

TNS ID
AT2021ctv

RA - DEC
341.05305   40.95378
22:44:12.73   40:57:13.61
Galactic coords.
98.49529   -15.80379

Alerting date
2021-02-12 01:51:29
Julian date (TCB)
2459257.58
Alerting magnitude
20.22
Historic magnitude
16.11
Historic StdDev
0.78
Class
BL Lac
Publication date
Feb. 13, 2021, 9:43 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.
2014-08-10 09:30:45 2456879.90 17.20
2014-08-10 13:44:25 2456880.07 17.21
2014-08-10 15:31:00 2456880.15 17.12
2014-08-10 21:31:15 2456880.40 17.07
2014-08-11 03:31:31 2456880.65 17.03
2014-08-11 07:45:11 2456880.82 17.01
2014-11-07 20:42:43 2456969.36 17.20
2014-11-07 22:29:17 2456969.44 17.18
2015-05-12 21:20:54 2457155.39 15.29
2015-05-13 01:34:35 2457155.57 15.33
2015-05-13 03:21:10 2457155.64 15.32
2015-11-18 03:43:22 2457344.66 15.29
2015-12-08 09:39:32 2457364.90 15.71
2016-01-09 16:50:12 2457397.20 16.72
2016-02-19 16:20:40 2457438.18 16.17
2016-02-19 20:34:19 2457438.36 16.16
2016-02-19 22:20:53 2457438.43 16.11
2016-02-20 02:34:33 2457438.61 16.11
2016-03-04 20:43:53 2457452.36 15.99
2016-03-05 02:44:07 2457452.61 15.99
2016-03-05 04:30:41 2457452.69 15.96
2016-03-05 08:44:20 2457452.86 16.00
2016-03-05 10:30:55 2457452.94 16.00
2016-05-02 22:21:57 2457511.43 16.17
2016-05-03 02:35:38 2457511.61 16.13
2016-05-03 04:22:12 2457511.68 16.06
2017-10-19 16:04:14 2458046.17 17.91
2017-10-28 20:23:31 2458055.35 17.77
2017-10-28 22:10:05 2458055.42 17.76
2018-01-04 00:54:47 2458122.54 17.67
2018-01-04 02:41:21 2458122.61 17.67
2018-01-31 06:43:23 2458149.78 17.97
2018-01-31 08:29:57 2458149.85 17.95
2018-03-30 08:16:43 2458207.84 17.28
2018-03-30 14:16:58 2458208.10 17.29
2018-03-30 18:30:38 2458208.27 17.24
2018-03-30 20:17:12 2458208.35 17.21
2018-03-31 00:30:53 2458208.52 17.22
2018-03-31 06:31:07 2458208.77 17.22
2018-03-31 08:17:42 2458208.85 17.21
2018-03-31 12:31:22 2458209.02 17.25
2018-03-31 18:31:36 2458209.27 17.18
2018-04-01 00:31:51 2458209.52 17.20
2018-04-01 02:18:25 2458209.60 17.22
2018-04-01 06:32:05 2458209.77 17.20
2018-04-01 08:18:40 2458209.85 17.19
2018-04-01 12:32:20 2458210.02 17.16
2018-04-01 14:18:54 2458210.10 17.14
2018-04-01 18:32:35 2458210.27 17.12
2018-04-01 20:19:09 2458210.35 17.12
2018-04-02 00:32:49 2458210.52 17.06
2018-04-02 06:33:04 2458210.77 17.03
2018-04-02 12:33:18 2458211.02 17.00
2018-04-02 14:19:53 2458211.10 17.00
2018-04-02 18:33:33 2458211.27 17.00
2018-04-02 20:20:07 2458211.35 17.02
2018-04-03 00:33:48 2458211.52 17.06
2018-04-03 02:20:22 2458211.60 17.00
2018-04-03 08:20:37 2458211.85 16.96
2018-04-03 14:20:52 2458212.10 16.98
2018-05-27 00:21:14 2458265.51 16.85
2018-06-27 18:06:27 2458297.25 16.06
2018-07-22 19:48:09 2458322.33 16.39
2018-09-05 22:49:28 2458367.45 16.68
2018-09-06 00:36:02 2458367.53 16.72
2018-09-06 04:49:43 2458367.70 16.69
2018-09-06 06:36:17 2458367.78 16.67
2018-09-11 06:40:43 2458372.78 16.50
2018-09-11 10:54:24 2458372.95 16.55
2018-09-11 12:40:58 2458373.03 16.56
2018-09-11 16:54:38 2458373.20 16.61
2018-10-29 04:59:43 2458420.71 17.25
2018-10-29 09:13:22 2458420.88 17.28
2018-11-11 11:04:44 2458433.96 17.50
2019-01-18 13:53:45 2458502.08 16.91
2019-01-18 15:40:19 2458502.15 16.89
2019-02-11 13:52:42 2458526.08 17.05
2019-02-11 15:39:16 2458526.15 17.08
2019-04-10 13:41:00 2458584.07 17.20
2019-04-10 15:27:34 2458584.14 17.13
2019-04-10 19:41:15 2458584.32 17.03
2019-04-10 21:27:49 2458584.39 17.00
2019-04-11 01:41:29 2458584.57 17.17
2019-04-25 03:39:05 2458598.65 18.29
2019-04-25 07:52:45 2458598.83 18.29
2019-04-25 09:39:20 2458598.90 18.33
2019-06-07 19:32:12 2458642.31 18.02
2019-07-12 07:05:52 2458676.80 18.19
2019-07-22 09:03:30 2458686.88 17.83
2019-10-14 17:52:53 2458771.25 18.45
2019-10-14 23:53:07 2458771.50 18.46
2019-10-15 01:39:41 2458771.57 18.44
2019-10-15 05:53:21 2458771.75 18.55
2019-10-15 07:39:55 2458771.82 18.56
2019-10-29 13:56:00 2458786.08 18.43
2019-10-29 18:09:39 2458786.26 18.42
2019-10-29 19:56:13 2458786.33 18.39
2019-10-30 00:09:52 2458786.51 18.39
2020-01-11 11:07:37 2458859.96 18.88
2020-01-31 09:59:07 2458879.92 18.84
2020-01-31 11:45:41 2458879.99 18.87
2020-05-06 05:44:05 2458975.74 17.90
2020-05-06 09:57:46 2458975.92 17.93
2020-05-24 00:15:51 2458993.51 18.35
2020-06-30 00:24:45 2459030.52 18.92
2020-06-30 02:11:20 2459030.59 18.89
2020-09-06 16:47:00 2459099.20 19.18
2020-09-06 22:47:15 2459099.45 19.14
2020-09-07 00:33:49 2459099.52 19.16
2020-09-11 12:37:52 2459104.03 19.14
2020-09-11 18:38:06 2459104.28 19.17
2020-09-11 22:51:47 2459104.45 19.12
2020-09-12 00:38:21 2459104.53 19.21
2020-10-29 15:10:54 2459152.13 19.59
2020-10-29 16:57:28 2459152.21 19.65
2020-11-12 03:15:37 2459165.64 19.66
2020-11-12 05:02:11 2459165.71 19.61
2021-01-19 09:38:11 2459233.90 19.86
2021-02-12 01:51:29 2459257.58 20.22
2021-02-12 03:38:03 2459257.65 20.19
2021-04-11 07:40:09 2459315.82 20.26
2021-04-11 13:40:23 2459316.07 20.18
2021-04-26 07:51:40 2459330.83 20.33
2021-04-26 09:38:14 2459330.90 20.29
2021-04-26 15:38:29 2459331.15 20.43
2021-07-13 02:50:12 2459408.62 20.35
2021-08-03 08:51:30 2459429.87 19.64



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