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Gaia21dvp




Other surveys detections
None
Comments
~1 mag decline in known QSO
ATels
None
AstroNotes
None

TNS ID
AT2021whu

RA - DEC
203.36827   19.66711
13:33:28.38   19:40:01.60
Galactic coords.
357.39966   77.81635

Alerting date
2021-07-25 05:08:18
Julian date (TCB)
2459420.71
Alerting magnitude
19.91
Historic magnitude
18.90
Historic StdDev
0.17
Class
QSO
Publication date
Aug. 18, 2021, 1:52 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.
2014-08-21 11:56:45 2456891.00 18.76
2014-08-21 17:56:58 2456891.25 18.77
2014-08-21 19:43:31 2456891.32 18.71
2014-08-21 23:57:10 2456891.50 18.71
2014-08-22 01:43:44 2456891.57 18.70
2014-08-22 05:57:23 2456891.75 18.68
2014-08-22 07:43:57 2456891.82 18.69
2014-08-23 13:45:04 2456893.07 18.72
2014-08-23 17:58:43 2456893.25 18.67
2014-08-23 23:58:56 2456893.50 18.70
2014-08-24 05:59:09 2456893.75 18.73
2014-08-24 07:45:43 2456893.82 18.70
2014-08-24 11:59:22 2456894.00 18.69
2014-08-24 13:45:56 2456894.07 18.78
2014-08-24 17:59:34 2456894.25 18.77
2014-08-29 00:03:03 2456898.50 18.72
2014-08-29 06:03:16 2456898.75 18.69
2014-08-29 07:49:50 2456898.83 18.76
2014-08-29 12:03:29 2456899.00 18.73
2014-08-29 13:50:02 2456899.08 18.74
2014-08-29 18:03:42 2456899.25 18.70
2014-08-29 19:50:15 2456899.33 18.72
2014-08-30 00:03:55 2456899.50 18.68
2014-08-30 01:50:29 2456899.58 18.71
2014-08-30 07:50:42 2456899.83 18.70
2015-02-07 15:26:05 2457061.14 18.99
2015-05-24 18:04:33 2457167.25 18.79
2015-05-24 19:51:06 2457167.33 18.76
2015-08-26 04:49:13 2457260.70 18.78
2015-08-26 06:35:47 2457260.77 18.75
2015-11-13 13:03:48 2457340.04 18.86
2015-11-13 17:17:29 2457340.22 18.84
2015-11-13 19:04:03 2457340.29 18.87
2015-11-13 23:17:44 2457340.47 18.82
2015-11-14 01:04:19 2457340.54 18.85
2015-11-14 05:18:00 2457340.72 18.85
2015-11-14 11:18:15 2457340.97 18.86
2015-11-14 13:04:50 2457341.05 18.85
2015-11-14 17:18:31 2457341.22 18.88
2015-11-14 19:05:05 2457341.30 18.81
2015-11-14 23:18:46 2457341.47 18.87
2015-11-15 01:05:20 2457341.55 18.87
2015-11-15 05:19:01 2457341.72 18.85
2015-11-15 11:19:16 2457341.97 18.88
2015-11-15 17:19:31 2457342.22 18.88
2015-11-15 23:19:46 2457342.47 18.87
2015-11-16 11:20:16 2457342.97 18.89
2015-11-16 17:20:31 2457343.22 18.84
2015-11-16 23:20:46 2457343.47 18.89
2015-11-17 05:21:02 2457343.72 18.87
2015-11-17 07:07:36 2457343.80 18.91
2015-11-17 11:21:17 2457343.97 18.90
2015-11-17 13:07:51 2457344.05 18.86
2015-11-17 23:21:48 2457344.47 18.86
2015-11-18 01:08:22 2457344.55 18.87
2015-11-18 05:22:03 2457344.72 18.88
2015-11-18 07:08:38 2457344.80 18.90
2015-11-18 11:22:19 2457344.97 18.87
2015-11-18 13:08:54 2457345.05 18.89
2015-12-29 18:44:59 2457386.28 18.83
2016-02-02 06:08:23 2457420.76 18.82
2016-02-16 18:15:17 2457435.26 18.71
2016-05-22 18:56:46 2457531.29 19.18
2016-05-22 20:43:20 2457531.36 19.06
2016-06-08 08:46:40 2457547.87 19.06
2016-07-14 06:20:04 2457583.76 19.03
2016-07-14 08:06:38 2457583.84 19.03
2016-11-18 18:21:57 2457711.27 19.14
2016-11-18 20:08:32 2457711.34 19.18
2016-12-06 12:31:12 2457729.02 18.93
2017-01-08 07:55:19 2457761.83 18.75
2017-02-16 06:42:39 2457800.78 18.83
2017-02-16 08:29:14 2457800.85 18.80
2017-02-16 12:42:55 2457801.03 18.81
2017-02-16 14:29:30 2457801.10 18.82
2017-02-23 14:35:38 2457808.11 18.79
2017-02-23 18:49:18 2457808.28 18.82
2017-06-01 15:21:23 2457906.14 18.83
2017-06-01 17:07:57 2457906.21 18.82
2017-06-23 11:04:16 2457927.96 18.71
2017-07-25 14:51:36 2457960.12 18.77
2017-11-28 08:54:07 2458085.87 18.94
2017-11-28 10:40:41 2458085.94 18.88
2017-12-21 16:41:49 2458109.20 19.01
2018-01-18 20:40:51 2458137.36 19.02
2018-06-12 04:26:10 2458281.68 18.89
2018-07-08 16:13:28 2458308.18 19.03
2018-08-05 22:00:56 2458336.42 19.11
2018-08-05 23:47:29 2458336.49 19.09
2018-12-08 17:51:30 2458461.24 18.98
2019-01-05 03:54:44 2458488.66 19.01
2019-01-28 23:35:16 2458512.48 19.34
2019-01-29 03:48:58 2458512.66 19.42
2019-06-22 23:32:34 2458657.48 19.10
2019-06-23 01:19:08 2458657.55 19.11
2019-08-02 01:27:30 2458697.56 19.11
2019-08-02 03:14:03 2458697.63 19.08
2019-12-24 04:18:02 2458841.68 18.99
2019-12-24 06:04:36 2458841.75 19.08
2020-01-22 17:38:37 2458871.24 19.16
2020-02-13 12:20:51 2458893.01 19.08
2020-02-13 14:07:25 2458893.09 19.05
2020-06-18 16:12:29 2459019.18 19.34
2020-06-18 17:59:02 2459019.25 19.28
2020-07-22 01:24:15 2459052.56 19.17
2020-08-06 09:59:46 2459067.92 19.16
2020-08-06 11:46:20 2459067.99 19.14
2020-12-09 04:03:59 2459192.67 19.43
2020-12-09 05:50:34 2459192.74 19.41
2021-01-05 21:52:33 2459220.41 19.50
2021-01-05 23:39:08 2459220.49 19.46
2021-01-29 11:34:01 2459243.98 19.37
2021-06-23 13:17:47 2459389.05 19.77
2021-07-25 00:54:40 2459420.54 19.79
2021-07-25 05:08:18 2459420.71 19.91
2021-08-17 05:08:50 2459443.71 19.89
2021-08-17 06:55:24 2459443.79 19.97
2021-12-19 19:01:39 2459568.29 19.60
2022-01-20 04:50:50 2459599.70 19.65
2022-02-08 04:53:08 2459618.70 19.74
2022-02-08 06:39:42 2459618.78 19.82
2022-05-15 09:11:17 2459714.88 19.73
2022-05-15 13:24:56 2459715.06 19.63
2022-05-15 15:11:30 2459715.13 19.68
2022-05-26 01:31:00 2459725.56 19.78
2022-05-26 03:17:34 2459725.64 19.82
2022-07-04 20:25:38 2459765.35 19.78
2022-08-10 19:54:57 2459802.33 19.38
2022-08-11 00:08:36 2459802.51 19.38
2022-08-26 12:16:17 2459818.01 19.39
2022-08-26 18:16:30 2459818.26 19.29
2022-11-13 06:43:38 2459896.78 19.68
2022-11-13 08:30:12 2459896.85 19.67
2022-11-13 14:30:28 2459897.10 19.65
2022-11-13 20:30:43 2459897.35 19.60
2022-11-14 00:44:24 2459897.53 19.64
2022-11-20 00:50:09 2459903.53 19.65
2022-11-20 06:50:24 2459903.79 19.68
2022-11-20 08:36:59 2459903.86 19.62
2022-11-20 12:50:40 2459904.04 19.63
2022-11-20 14:37:15 2459904.11 19.68
2022-11-20 20:37:30 2459904.36 19.67
2022-12-30 14:12:45 2459944.09 19.64
2023-02-03 11:48:33 2459978.99 19.60
2023-02-17 07:42:03 2459992.82 19.52
2023-02-17 11:55:44 2459993.00 19.64
2023-05-24 08:23:30 2460088.85 19.47
2023-05-24 10:10:04 2460088.92 19.47
2023-06-10 14:26:31 2460106.10 19.58
2023-07-16 01:47:35 2460141.57 19.48
2023-07-16 03:34:09 2460141.65 19.37
2023-11-20 07:49:25 2460268.83 19.38
2023-11-20 09:36:00 2460268.90 19.42
2023-12-08 13:58:02 2460287.08 19.35
2023-12-08 15:44:36 2460287.16 19.25
2024-01-10 03:23:03 2460319.64 19.31



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