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Gaia21cma




Other surveys detections
None
Comments
source declines by 1.3 mag in 2.5 years
ATels
None
AstroNotes
None

TNS ID
AT2021nbk

RA - DEC
260.78201   25.51481
17:23:07.68   25:30:53.32
Galactic coords.
48.22554   29.88758

Alerting date
2021-05-21 19:34:15
Julian date (TCB)
2459356.32
Alerting magnitude
19.22
Historic magnitude
18.10
Historic StdDev
0.21
Class
unknown
Publication date
May 23, 2021, 10:27 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.
2015-01-02 03:00:54 2457024.63 18.36
2015-01-02 04:47:28 2457024.70 18.31
2015-01-02 09:01:09 2457024.88 18.37
2015-01-02 10:47:43 2457024.95 18.35
2015-02-13 16:25:15 2457067.18 18.40
2015-03-17 10:02:43 2457098.92 18.44
2015-05-23 06:56:43 2457165.79 18.37
2015-05-23 08:43:17 2457165.86 18.44
2015-05-31 19:03:10 2457174.29 18.41
2015-05-31 20:49:44 2457174.37 18.44
2015-06-01 01:03:25 2457174.54 18.45
2015-07-17 17:29:44 2457221.23 18.53
2015-07-17 19:16:18 2457221.30 18.53
2015-09-10 16:41:39 2457276.20 18.59
2015-10-14 06:03:10 2457309.75 18.54
2015-11-07 04:18:32 2457333.68 18.62
2015-11-07 06:05:06 2457333.75 18.60
2015-12-29 22:01:21 2457386.42 18.68
2015-12-29 23:47:55 2457386.49 18.69
2015-12-30 04:01:35 2457386.67 18.64
2016-01-18 22:11:24 2457406.42 18.60
2016-01-18 23:57:59 2457406.50 18.65
2016-02-25 03:48:43 2457443.66 18.54
2016-03-30 09:15:06 2457477.89 18.68
2016-04-19 09:16:19 2457497.89 18.65
2016-06-03 19:51:52 2457543.33 18.54
2016-06-03 21:38:26 2457543.40 18.54
2016-06-11 07:57:45 2457550.83 18.68
2016-06-11 09:44:19 2457550.91 18.55
2016-06-11 13:57:59 2457551.08 18.54
2016-07-27 14:16:29 2457597.09 18.54
2016-08-17 00:28:45 2457617.52 18.60
2016-09-21 05:48:52 2457652.74 18.57
2016-09-21 07:35:26 2457652.82 18.59
2016-10-29 01:07:23 2457690.55 18.53
2016-10-29 05:21:02 2457690.72 18.49
2016-11-18 11:29:00 2457710.98 18.55
2016-11-18 13:15:34 2457711.05 18.53
2017-01-10 00:59:11 2457763.54 18.55
2017-01-10 05:12:51 2457763.72 18.53
2017-02-02 13:04:20 2457787.04 18.56
2017-03-07 12:20:26 2457820.01 18.49
2017-04-13 01:21:57 2457856.56 18.48
2017-04-30 01:26:50 2457873.56 18.44
2017-06-15 10:08:51 2457919.92 18.45
2017-06-15 11:55:25 2457920.00 18.45
2017-06-23 22:15:03 2457928.43 18.47
2017-06-24 00:01:37 2457928.50 18.44
2017-06-24 04:15:16 2457928.68 18.45
2017-08-07 14:54:38 2457973.12 18.55
2017-08-07 16:41:11 2457973.20 18.55
2017-08-31 04:34:13 2457996.69 18.58
2017-10-02 22:05:53 2458029.42 18.49
2017-11-14 19:51:58 2458072.33 18.50
2017-11-14 21:38:32 2458072.40 18.52
2017-11-15 01:52:12 2458072.58 18.49
2017-11-15 03:38:46 2458072.65 18.49
2017-12-01 08:02:43 2458088.84 18.49
2017-12-01 09:49:17 2458088.91 18.46
2017-12-01 14:02:57 2458089.09 18.49
2017-12-01 15:49:31 2458089.16 18.49
2018-01-21 19:46:12 2458140.32 18.45
2018-01-21 21:32:47 2458140.40 18.42
2018-02-17 07:43:41 2458166.82 18.39
2018-02-17 09:30:16 2458166.90 18.38
2018-03-18 15:15:04 2458196.14 18.39
2018-04-26 18:32:44 2458235.27 18.43
2018-04-26 20:19:18 2458235.35 18.38
2018-06-26 11:03:49 2458295.96 18.28
2018-06-26 12:50:23 2458296.03 18.30
2018-07-07 06:56:44 2458306.79 18.29
2018-07-07 11:10:23 2458306.97 18.28
2018-08-18 21:58:31 2458349.42 18.12
2018-08-18 23:45:05 2458349.49 18.09
2018-09-14 15:45:15 2458376.16 18.10
2018-10-14 15:28:04 2458406.14 18.13
2018-10-14 17:14:37 2458406.22 18.10
2018-12-02 03:04:51 2458454.63 18.11
2018-12-02 04:51:26 2458454.70 18.10
2018-12-02 09:05:06 2458454.88 18.10
2018-12-02 15:05:20 2458455.13 18.08
2019-02-02 10:43:29 2458516.95 17.95
2019-02-02 14:57:10 2458517.12 17.96
2019-03-03 14:44:58 2458546.11 17.93
2019-03-03 16:31:33 2458546.19 17.90
2019-03-29 20:35:45 2458572.36 17.98
2019-05-10 07:29:22 2458613.81 18.05
2019-05-10 09:15:57 2458613.89 18.02
2019-05-21 03:22:57 2458624.64 18.07
2019-05-21 07:36:37 2458624.82 18.01
2019-05-21 09:23:11 2458624.89 18.06
2019-07-07 06:00:09 2458671.75 18.19
2019-07-07 07:46:43 2458671.82 18.17
2019-08-06 20:28:02 2458702.35 18.18
2019-08-06 22:14:36 2458702.43 18.19
2019-09-06 15:37:42 2458733.15 18.25
2019-10-03 00:22:42 2458759.52 18.25
2019-11-12 20:48:03 2458800.37 18.26
2019-11-13 01:01:42 2458800.54 18.22
2019-11-13 02:48:16 2458800.62 18.22
2019-11-23 07:14:30 2458810.80 18.23
2019-11-23 09:01:04 2458810.88 18.19
2020-01-06 10:17:13 2458854.93 18.14
2020-01-06 12:03:47 2458855.00 18.17
2020-01-19 16:37:42 2458868.19 18.21
2020-03-27 02:09:20 2458935.59 18.29
2020-03-27 03:55:55 2458935.66 18.26
2020-04-23 09:06:57 2458962.88 18.28
2020-04-23 10:53:32 2458962.95 18.28
2020-06-16 17:06:50 2459017.21 18.34
2020-06-16 18:53:24 2459017.29 18.32
2020-06-16 23:07:04 2459017.46 18.34
2020-06-17 00:53:38 2459017.54 18.33
2020-07-04 01:13:50 2459034.55 18.39
2020-07-04 05:27:30 2459034.73 18.41
2020-07-04 07:14:04 2459034.80 18.32
2020-07-04 11:27:44 2459034.98 18.37
2020-08-19 09:56:53 2459080.91 18.31
2020-08-19 11:43:27 2459080.99 18.26
2020-09-15 11:29:32 2459107.98 18.20
2020-12-03 03:04:06 2459186.63 18.60
2020-12-03 04:50:40 2459186.70 18.58
2020-12-03 09:04:20 2459186.88 18.58
2020-12-03 10:50:54 2459186.95 18.56
2020-12-03 15:04:34 2459187.13 18.56
2020-12-17 03:14:56 2459200.64 18.65
2020-12-17 09:15:10 2459200.89 18.67
2020-12-17 11:01:44 2459200.96 18.67
2020-12-17 15:15:25 2459201.14 18.65
2020-12-17 17:01:59 2459201.21 18.67
2021-03-04 10:29:31 2459277.94 18.95
2021-03-30 08:34:17 2459303.86 19.03
2021-05-11 01:27:02 2459345.56 19.17
2021-05-21 15:20:34 2459356.14 19.26
2021-05-21 19:34:15 2459356.32 19.22
2021-05-21 21:20:49 2459356.39 19.23
2021-07-07 17:57:54 2459403.25 19.47
2021-07-07 19:44:28 2459403.32 19.45
2021-07-22 00:03:22 2459417.50 19.35
2021-08-30 23:02:22 2459457.46 19.17
2021-10-27 04:36:20 2459514.69 18.97
2021-10-27 06:22:54 2459514.77 19.00
2021-12-18 04:17:23 2459566.68 18.71
2021-12-18 06:03:57 2459566.75 18.95
2021-12-18 10:17:37 2459566.93 18.92
2022-01-03 12:15:13 2459583.01 18.95
2022-01-03 16:28:53 2459583.19 18.92
2022-01-03 18:15:27 2459583.26 18.95
2022-02-14 11:52:49 2459625.00 18.99
2022-02-14 16:06:30 2459625.17 19.02
2022-03-18 11:29:18 2459656.98 18.92
2022-04-10 05:26:05 2459679.73 18.95
2022-05-24 02:22:48 2459723.60 19.09
2022-05-24 04:09:23 2459723.67 19.12
2022-05-24 08:23:03 2459723.85 19.10
2022-05-24 10:09:37 2459723.92 19.12
2022-06-01 16:15:55 2459732.18 19.13
2022-06-01 20:29:35 2459732.35 19.13
2022-07-18 12:56:21 2459779.04 19.22
2022-07-18 14:42:54 2459779.11 19.29
2022-08-04 20:45:25 2459796.36 19.32
2022-09-11 12:08:53 2459834.01 19.34
2022-10-15 07:29:56 2459867.81 19.38
2022-10-15 11:43:35 2459867.99 19.40
2022-11-08 05:46:17 2459891.74 19.26
2022-11-08 07:32:51 2459891.81 19.27
2022-12-30 19:15:32 2459944.30 19.11
2022-12-30 23:29:13 2459944.48 19.14
2022-12-31 01:15:47 2459944.55 19.06
2023-01-20 07:25:27 2459964.81 18.91
2023-02-25 23:16:15 2460001.47 18.91
2023-04-01 10:41:37 2460035.95 18.75
2023-04-21 00:29:35 2460055.52 18.76
2023-04-21 04:43:15 2460055.70 18.74
2023-06-05 15:17:58 2460101.14 18.83
2023-06-05 17:04:32 2460101.21 18.81
2023-06-05 21:18:12 2460101.39 18.83
2023-06-05 23:04:47 2460101.46 18.84
2023-06-13 05:10:25 2460108.72 18.85
2023-06-13 11:10:39 2460108.97 18.83
2023-08-19 01:55:02 2460175.58 18.75
2023-09-23 01:16:13 2460210.55 18.74
2023-10-31 06:48:08 2460248.78 18.88
2023-10-31 08:34:42 2460248.86 18.85
2023-11-20 06:56:35 2460268.79 18.88
2023-11-20 08:43:09 2460268.86 18.86
2023-11-20 12:56:49 2460269.04 18.91
2023-11-20 14:43:23 2460269.11 18.87
2024-01-11 20:26:50 2460321.35 18.99
2024-01-12 02:27:05 2460321.60 18.99



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