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Gaia19esd




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

TNS ID
AT2019tfv

RA - DEC
113.55961   45.03120
07:34:14.31   45:01:52.32
Galactic coords.
173.56087   26.06469

Alerting date
2019-10-19 07:17:16
Julian date (TCB)
2458775.80
Alerting magnitude
19.11
Historic magnitude
18.02
Historic StdDev
0.17
Class
QSO
Publication date
Oct. 24, 2019, 2:10 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.
2014-11-24 17:57:12 2456986.25 18.04
2014-11-24 23:57:28 2456986.50 18.02
2014-11-30 04:15:51 2456991.68 18.06
2014-11-30 06:02:26 2456991.75 18.06
2014-11-30 10:16:07 2456991.93 18.05
2014-11-30 16:16:23 2456992.18 18.05
2015-03-05 02:23:16 2457086.60 18.13
2015-03-25 06:34:04 2457106.77 18.11
2015-03-25 08:20:37 2457106.85 18.15
2015-09-03 14:04:17 2457269.09 18.19
2015-09-03 18:17:58 2457269.26 18.23
2015-10-26 07:53:21 2457321.83 18.22
2016-03-14 01:41:10 2457461.57 18.23
2016-04-08 01:28:59 2457486.56 18.23
2016-05-05 19:14:36 2457514.30 18.28
2016-05-05 21:01:10 2457514.38 18.28
2016-09-13 03:15:19 2457644.64 18.05
2016-09-13 07:29:00 2457644.81 18.03
2016-10-11 01:21:07 2457672.56 18.12
2017-03-24 11:56:23 2457837.00 18.01
2017-04-23 03:47:29 2457866.66 17.97
2017-04-23 05:34:03 2457866.73 17.97
2017-05-16 11:32:25 2457889.98 18.00
2017-09-24 04:03:03 2458020.67 18.02
2017-10-25 15:42:08 2458052.15 18.07
2017-10-25 17:28:42 2458052.23 18.06
2017-11-14 11:30:52 2458071.98 18.00
2018-02-16 18:07:30 2458166.26 18.16
2018-02-17 00:07:43 2458166.51 18.12
2018-02-17 01:54:17 2458166.58 18.15
2018-02-17 07:54:29 2458166.83 18.19
2018-04-04 05:17:18 2458212.72 18.20
2018-05-09 10:46:14 2458247.95 18.16
2018-05-26 00:39:48 2458264.53 18.17
2018-10-05 01:00:59 2458396.54 18.32
2018-11-09 06:26:41 2458431.77 18.30
2018-11-23 12:34:00 2458446.02 18.34
2019-02-24 07:04:05 2458538.79 18.42
2019-02-24 08:50:39 2458538.87 18.45
2019-03-10 20:54:44 2458553.37 18.49
2019-08-29 12:50:13 2458725.03 18.91
2019-08-29 17:03:54 2458725.21 18.92
2019-09-14 01:15:25 2458740.55 18.96
2019-10-19 07:17:16 2458775.80 19.11
2020-02-21 11:09:19 2458900.96 18.84
2020-02-21 12:55:53 2458901.04 18.80
2020-02-21 17:09:32 2458901.21 18.81
2020-02-21 18:56:05 2458901.29 18.83
2020-03-09 07:18:15 2458917.80 18.80
2020-03-09 11:31:54 2458917.98 18.69
2020-05-24 10:49:43 2458993.95 18.72
2020-05-24 15:03:22 2458994.13 18.77
2020-05-24 16:49:56 2458994.20 18.75
2020-05-24 21:03:35 2458994.38 18.67
2020-05-24 22:50:09 2458994.45 18.70
2020-05-28 21:07:15 2458998.38 18.68
2020-05-28 22:53:49 2458998.45 18.69
2020-05-29 04:54:02 2458998.70 18.64
2020-05-29 09:07:41 2458998.88 18.65
2020-05-29 10:54:15 2458998.95 18.70
2020-10-05 12:59:59 2459128.04 18.79
2020-11-10 04:38:03 2459163.69 18.78
2020-11-10 06:24:38 2459163.77 18.78
2020-11-23 18:32:00 2459177.27 18.79
2020-11-23 22:45:41 2459177.45 18.82
2021-02-24 14:48:33 2459270.12 18.71
2021-03-11 19:05:46 2459285.30 18.76
2021-04-15 14:10:47 2459320.09 18.79
2021-08-25 14:22:27 2459452.10 18.63
2021-08-25 18:36:08 2459452.28 18.64
2021-09-12 08:32:37 2459469.86 18.66
2021-10-16 12:24:32 2459504.02 18.55
2021-11-26 05:37:39 2459544.73 18.61
2021-11-26 07:24:14 2459544.81 18.61
2021-11-26 11:37:55 2459544.98 18.65
2021-11-26 13:24:29 2459545.06 18.59
2021-11-26 17:38:10 2459545.23 18.65
2021-11-26 19:24:45 2459545.31 18.65
2021-11-30 01:27:57 2459548.56 18.66
2021-11-30 05:41:38 2459548.74 18.68
2021-11-30 07:28:12 2459548.81 18.66
2021-11-30 11:41:53 2459548.99 18.58
2021-11-30 13:28:28 2459549.06 18.67
2021-11-30 17:42:09 2459549.24 18.72
2022-03-05 21:50:22 2459644.41 18.88
2022-03-26 09:46:45 2459664.91 18.82
2022-04-26 15:19:37 2459696.14 18.63
2022-09-04 07:45:28 2459826.82 18.57
2022-09-04 09:32:02 2459826.90 18.54
2022-09-28 01:47:53 2459850.57 18.50
2022-09-28 03:34:28 2459850.65 18.49
2022-10-27 01:34:22 2459879.57 18.57
2022-10-27 03:20:56 2459879.64 18.57
2023-04-10 02:55:07 2460044.62 18.58
2023-05-07 14:42:07 2460072.11 18.51
2023-05-07 16:28:41 2460072.19 18.48
2023-09-14 22:43:03 2460202.45 18.23
2023-10-13 04:34:07 2460230.69 18.26



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