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Gaia20bsf




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

TNS ID
AT2020gdj

RA - DEC
220.32883   48.91493
14:41:18.92   48:54:53.75
Galactic coords.
86.11303   59.61332

Alerting date
2020-04-08 02:04:01
Julian date (TCB)
2458947.59
Alerting magnitude
19.62
Historic magnitude
18.64
Historic StdDev
0.18
Class
QSO
Publication date
April 10, 2020, 12:39 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.
2014-08-17 18:27:40 2456887.27 18.74
2014-08-18 00:27:54 2456887.52 18.70
2014-08-18 02:14:28 2456887.59 18.67
2014-08-18 06:28:07 2456887.77 18.70
2014-08-18 12:28:21 2456888.02 18.70
2014-08-18 14:14:55 2456888.09 18.69
2014-08-18 18:28:34 2456888.27 18.68
2014-08-19 02:15:22 2456888.59 18.67
2014-08-23 18:33:11 2456893.27 18.73
2014-08-23 20:19:45 2456893.35 18.71
2014-11-05 11:34:28 2456966.98 18.67
2015-01-13 08:56:45 2457035.87 18.75
2015-02-05 02:51:16 2457058.62 18.75
2015-03-16 19:39:52 2457098.32 18.70
2015-03-31 19:44:46 2457113.32 18.77
2015-05-12 14:11:45 2457155.09 18.59
2015-06-02 18:22:50 2457176.27 18.63
2015-06-02 20:09:24 2457176.34 18.60
2015-07-09 11:39:52 2457212.99 18.50
2015-07-09 13:26:25 2457213.06 18.45
2015-09-09 19:02:22 2457275.29 18.59
2015-09-09 23:16:02 2457275.47 18.57
2015-09-10 01:02:36 2457275.54 18.57
2015-10-24 16:53:10 2457320.20 18.64
2015-10-24 18:39:44 2457320.28 18.61
2015-11-20 04:54:28 2457346.70 18.67
2015-11-20 06:41:02 2457346.78 18.66
2015-12-23 10:33:45 2457379.94 18.59
2016-01-26 11:42:16 2457413.99 18.72
2016-02-15 23:40:22 2457434.49 18.70
2016-02-16 03:54:02 2457434.66 18.74
2016-03-27 20:36:53 2457475.36 18.87
2016-03-27 22:23:28 2457475.43 18.81
2016-04-11 20:41:43 2457490.36 18.84
2016-05-23 03:13:29 2457531.63 18.84
2016-06-15 15:07:07 2457555.13 18.99
2016-06-15 19:20:46 2457555.31 18.94
2016-07-20 18:47:01 2457590.28 18.75
2016-08-27 08:08:53 2457627.84 18.77
2016-08-27 12:22:32 2457628.02 18.77
2016-09-22 12:25:49 2457654.02 18.86
2016-09-22 14:12:23 2457654.09 18.85
2016-11-05 18:03:24 2457698.25 18.72
2016-12-03 11:58:53 2457726.00 18.75
2016-12-03 13:45:28 2457726.07 18.79
2017-01-02 19:27:42 2457756.31 18.75
2017-02-07 10:54:04 2457791.95 18.73
2017-02-26 00:17:37 2457810.51 18.81
2017-02-26 02:04:11 2457810.59 18.83
2017-04-08 10:56:34 2457851.96 18.62
2017-04-08 12:43:08 2457852.03 18.63
2017-04-24 05:00:45 2457867.71 18.55
2017-04-24 06:47:19 2457867.78 18.54
2017-06-29 23:28:22 2457934.48 18.69
2017-08-02 09:17:32 2457967.89 18.71
2017-10-06 22:45:01 2458033.45 18.77
2017-11-18 04:22:13 2458075.68 18.95
2017-12-17 14:24:12 2458105.10 19.01
2017-12-17 16:10:46 2458105.17 19.05
2018-01-14 02:10:16 2458132.59 18.91
2018-01-14 03:56:50 2458132.66 18.89
2018-04-19 23:54:34 2458228.50 18.91
2018-04-20 01:41:08 2458228.57 18.88
2018-05-07 01:43:52 2458245.57 18.84
2018-06-15 16:56:53 2458285.21 18.95
2018-07-14 10:41:37 2458313.95 18.90
2018-07-14 12:28:11 2458314.02 18.88
2018-08-14 22:25:56 2458345.43 18.87
2018-08-15 00:12:30 2458345.51 18.86
2018-09-26 23:48:04 2458388.49 18.72
2018-09-27 04:01:44 2458388.67 18.78
2018-10-21 16:08:07 2458413.17 18.83
2018-10-21 17:54:42 2458413.25 18.83
2018-11-30 05:31:38 2458452.73 19.01
2018-11-30 09:45:18 2458452.91 19.01
2018-12-31 03:25:18 2458483.64 18.93
2018-12-31 05:11:52 2458483.72 18.96
2019-03-04 20:11:36 2458547.34 19.09
2019-03-04 21:58:10 2458547.42 19.12
2019-03-20 10:02:23 2458562.92 19.22
2019-05-01 12:53:43 2458605.04 19.14
2019-05-20 08:40:45 2458623.86 19.07
2019-06-27 13:48:40 2458662.08 19.04
2019-07-29 01:53:31 2458693.58 19.08
2019-07-29 03:40:05 2458693.65 19.10
2019-09-07 16:13:21 2458734.18 19.14
2019-09-07 17:59:55 2458734.25 19.15
2019-11-22 13:55:24 2458810.08 19.25
2019-12-28 11:43:28 2458845.99 19.28
2020-01-27 07:01:27 2458875.79 19.33
2020-02-24 08:03:19 2458903.84 19.33
2020-02-24 12:16:59 2458904.01 19.39
2020-04-08 02:04:01 2458947.59 19.62
2020-04-08 03:50:35 2458947.66 19.65
2020-05-03 22:34:20 2458973.44 19.66
2020-07-15 19:40:18 2459046.32 19.49
2020-08-15 16:24:48 2459077.18 19.38
2020-08-15 18:11:22 2459077.26 19.38
2020-09-27 17:46:51 2459120.24 19.50
2020-10-22 16:07:04 2459145.17 19.64
2020-11-30 21:44:03 2459184.41 19.64
2020-12-31 21:23:21 2459215.39 19.49
2021-01-25 21:14:17 2459240.38 19.35
2021-03-05 09:55:45 2459278.91 19.40
2021-03-21 02:13:48 2459294.59 19.47
2021-05-02 00:51:39 2459336.54 19.65
2021-05-02 02:38:13 2459336.61 19.64
2021-05-21 02:38:29 2459355.61 19.74
2021-06-28 06:00:46 2459393.75 19.59
2021-06-28 07:47:20 2459393.82 19.56
2021-07-30 01:27:29 2459425.56 19.50
2021-07-30 05:41:08 2459425.74 19.47
2021-08-28 11:33:48 2459454.98 19.59
2021-08-28 13:20:22 2459455.06 19.58
2021-10-12 05:10:35 2459499.72 19.56
2021-10-12 06:57:10 2459499.79 19.59
2022-02-05 22:18:18 2459616.43 19.46
2022-03-17 16:52:46 2459656.20 19.34
2022-04-01 15:11:09 2459671.13 19.33
2022-05-13 09:38:33 2459712.90 19.12
2022-07-10 08:53:39 2459770.87 19.22
2022-08-14 06:44:19 2459805.78 19.23
2022-09-10 18:43:25 2459833.28 19.27
2022-09-10 20:29:59 2459833.35 19.22
2022-10-25 18:20:52 2459878.26 19.42
2022-11-21 06:21:35 2459904.76 19.19
2022-11-21 08:08:10 2459904.84 19.15
2022-12-24 06:01:08 2459937.75 19.10
2023-01-27 11:22:20 2459971.97 19.05
2023-01-27 13:08:54 2459972.05 19.06
2023-02-16 19:07:15 2459992.30 19.06
2023-03-29 16:03:15 2460033.17 19.00
2023-04-13 16:08:01 2460048.17 19.05
2023-05-24 22:40:23 2460089.44 18.96
2023-06-17 20:47:18 2460113.37 18.98
2023-08-29 15:36:15 2460186.15 19.00
2023-09-24 13:53:25 2460212.08 19.05
2023-11-07 15:17:27 2460256.14 18.99
2023-11-07 19:31:07 2460256.31 19.11
2023-12-05 13:25:52 2460284.06 19.11
2023-12-05 15:12:27 2460284.13 19.08
2024-01-04 14:55:02 2460314.12 19.17



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