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Gaia20atg




Other surveys detections
None
Comments
long-term increase of ~0.6 mags in known QSO
ATels
None
AstroNotes
None

TNS ID
AT2020chz

RA - DEC
18.28598   -8.87690
01:13:08.64   -08:52:36.84
Galactic coords.
139.64568   -71.04092

Alerting date
2020-02-10 09:16:20
Julian date (TCB)
2458889.89
Alerting magnitude
18.73
Historic magnitude
19.32
Historic StdDev
0.20
Class
QSO
Publication date
Feb. 12, 2020, 4:42 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 14:56:05 2456891.12 19.39
2014-08-21 20:56:21 2456891.37 19.42
2014-08-21 22:42:55 2456891.45 19.41
2014-08-22 02:56:36 2456891.62 19.42
2015-02-08 14:15:58 2457062.09 19.33
2015-12-31 20:10:05 2457388.34 19.40
2016-02-05 03:11:05 2457423.63 19.30
2016-02-16 19:30:07 2457435.31 19.32
2016-02-17 01:30:20 2457435.56 19.32
2016-02-17 03:16:53 2457435.64 19.29
2016-05-21 23:20:18 2457530.47 19.23
2016-05-22 03:33:59 2457530.65 19.27
2016-06-05 15:42:35 2457545.15 19.31
2016-06-05 17:29:10 2457545.23 19.23
2016-07-12 03:12:15 2457581.63 19.13
2016-11-22 09:45:27 2457714.91 19.21
2016-11-22 11:32:00 2457714.98 19.18
2016-12-08 09:50:40 2457730.91 19.21
2016-12-08 11:37:14 2457730.98 19.21
2017-01-10 05:04:34 2457763.71 19.26
2017-05-31 06:00:34 2457904.75 19.21
2017-06-21 06:04:15 2457925.75 19.21
2017-12-01 08:00:38 2458088.83 19.08
2017-12-23 13:56:08 2458111.08 19.17
2017-12-23 18:09:47 2458111.26 19.08
2018-01-20 11:47:52 2458138.99 19.14
2018-01-20 13:34:25 2458139.07 19.17
2018-07-06 13:03:18 2458306.04 18.87
2018-07-06 14:49:52 2458306.12 18.85
2018-08-03 00:58:04 2458333.54 18.88
2018-12-11 07:22:00 2458463.81 18.92
2018-12-11 09:08:33 2458463.88 18.94
2019-01-07 02:50:49 2458490.62 19.03
2019-06-21 02:17:57 2458655.60 18.81
2019-08-03 16:25:35 2458699.18 18.77
2019-12-22 07:28:42 2458839.81 18.77
2019-12-22 09:15:16 2458839.89 18.76
2020-01-20 16:28:18 2458869.19 18.79
2020-01-20 20:41:57 2458869.36 18.74
2020-02-10 09:16:20 2458889.89 18.73
2020-02-10 11:02:54 2458889.96 18.75
2020-06-21 01:02:40 2459021.54 18.81
2020-06-21 02:49:15 2459021.62 18.79
2020-07-24 10:23:26 2459054.93 18.70
2020-08-03 14:43:37 2459065.11 18.70
2021-01-08 01:01:46 2459222.54 18.55
2021-01-30 20:38:52 2459245.36 18.49
2021-06-21 14:16:50 2459387.10 18.57
2021-06-21 16:03:25 2459387.17 18.60
2021-07-23 02:01:15 2459418.58 18.65
2021-07-23 03:47:50 2459418.66 18.65
2021-08-13 20:07:19 2459440.34 18.66
2022-02-09 07:56:22 2459619.83 18.83
2022-05-16 23:49:20 2459716.49 18.88
2022-05-17 04:03:01 2459716.67 18.87
2022-05-17 05:49:36 2459716.74 18.90
2022-05-17 10:03:17 2459716.92 18.90
2022-05-17 11:49:51 2459716.99 18.80
2022-05-17 16:03:32 2459717.17 18.75
2022-05-17 17:50:07 2459717.24 18.84
2022-05-17 23:50:22 2459717.49 18.84
2022-05-18 04:04:03 2459717.67 18.87
2022-05-20 04:06:04 2459719.67 18.86
2022-05-20 10:06:19 2459719.92 18.84
2022-05-20 16:06:35 2459720.17 18.83
2022-05-20 17:53:09 2459720.25 18.85
2022-05-20 22:06:50 2459720.42 18.87
2022-05-20 23:53:25 2459720.50 18.83
2022-05-21 04:07:06 2459720.67 18.86
2022-05-21 05:53:41 2459720.75 18.87
2022-07-02 15:27:58 2459763.14 18.91
2022-08-08 21:04:02 2459800.38 18.95
2022-08-08 22:50:36 2459800.45 18.97
2022-08-09 04:50:52 2459800.70 19.00
2022-08-22 05:00:38 2459813.71 18.99
2022-08-22 09:14:19 2459813.88 18.93
2022-08-22 11:00:54 2459813.96 18.98
2022-11-19 16:12:39 2459903.18 18.91
2022-11-19 23:59:26 2459903.50 18.93
2022-11-20 04:13:05 2459903.68 18.87
2022-11-20 18:00:05 2459904.25 18.91
2022-11-21 00:00:18 2459904.50 18.87
2022-11-21 04:13:57 2459904.68 18.88
2022-11-21 10:14:10 2459904.93 18.92
2023-01-01 11:23:48 2459945.97 18.89
2023-02-06 10:37:17 2459981.94 18.97
2023-02-06 14:50:56 2459982.12 18.96
2023-02-17 08:56:31 2459992.87 18.87
2023-02-17 10:43:04 2459992.95 18.99
2023-05-23 12:46:59 2460088.03 18.84
2023-05-23 17:00:40 2460088.21 18.84
2023-06-07 18:55:26 2460103.29 18.91
2023-07-13 22:39:54 2460139.44 18.79
2023-11-23 23:12:28 2460272.47 18.83
2023-11-24 00:59:02 2460272.54 18.80
2023-12-10 17:17:05 2460289.22 18.85
2024-01-11 22:45:17 2460321.45 18.78
2024-01-12 00:31:51 2460321.52 18.79



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