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Gaia21arm




Other surveys detections
None
Comments
QSO brightens by 1.4 mag in <3 years
ATels
None
AstroNotes
None

TNS ID
AT2021chn

RA - DEC
9.82268   27.58319
00:39:17.44   27:34:59.48
Galactic coords.
119.63726   -35.21084

Alerting date
2021-02-07 19:24:08
Julian date (TCB)
2459253.31
Alerting magnitude
18.61
Historic magnitude
19.65
Historic StdDev
0.29
Class
QSO
Publication date
Feb. 9, 2021, 9:43 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.
2014-08-24 22:07:59 2456894.42 19.64
2015-01-26 08:53:20 2457048.87 19.81
2015-02-17 07:05:04 2457070.80 19.96
2015-02-17 08:51:38 2457070.87 19.93
2015-06-26 09:09:22 2457199.88 19.83
2015-06-26 13:23:03 2457200.06 19.91
2015-11-23 15:28:24 2457350.14 19.99
2015-11-23 21:28:37 2457350.39 19.94
2015-11-24 03:28:50 2457350.65 19.92
2015-11-24 05:15:24 2457350.72 19.90
2016-01-07 20:38:01 2457395.36 20.06
2016-01-07 22:24:35 2457395.43 19.98
2016-02-10 21:51:21 2457429.41 19.89
2016-02-11 02:05:00 2457429.59 19.89
2016-02-11 03:51:34 2457429.66 19.92
2016-02-26 02:11:35 2457444.59 19.85
2016-02-26 03:58:09 2457444.67 19.84
2016-08-26 20:09:38 2457627.34 19.34
2016-11-29 22:24:56 2457722.43 19.28
2016-11-30 00:11:30 2457722.51 19.29
2016-12-14 10:29:00 2457736.94 19.24
2017-01-17 11:32:36 2457770.98 19.23
2017-05-26 05:19:24 2457899.72 19.42
2017-05-26 07:05:59 2457899.80 19.46
2017-06-12 11:29:42 2457916.98 19.39
2017-06-12 13:16:16 2457917.05 19.40
2017-07-17 23:08:44 2457952.46 19.66
2017-08-29 22:24:53 2457995.43 19.86
2017-08-30 04:25:09 2457995.68 19.85
2017-08-30 06:11:43 2457995.76 19.81
2017-08-30 10:25:24 2457995.93 19.81
2017-08-30 18:12:14 2457996.26 19.84
2017-08-30 22:25:55 2457996.43 19.80
2017-08-31 00:12:30 2457996.51 19.78
2017-08-31 06:12:45 2457996.76 19.81
2017-08-31 12:13:00 2457997.01 19.82
2017-08-31 18:13:15 2457997.26 19.83
2017-09-01 00:13:30 2457997.51 19.86
2017-09-01 06:13:45 2457997.76 19.79
2017-09-01 12:14:01 2457998.01 19.82
2017-09-01 16:27:41 2457998.19 19.80
2017-09-01 18:14:16 2457998.26 19.84
2017-09-01 22:27:57 2457998.44 19.81
2017-09-02 00:14:31 2457998.51 19.79
2017-09-02 04:28:12 2457998.69 19.85
2017-09-02 06:14:47 2457998.76 19.80
2017-09-02 10:28:28 2457998.94 19.81
2017-09-02 12:15:03 2457999.01 19.86
2017-09-02 16:28:44 2457999.19 19.86
2017-12-28 18:45:43 2458116.28 19.98
2017-12-28 20:32:16 2458116.36 19.94
2018-06-04 20:15:07 2458274.34 20.06
2018-06-05 00:28:48 2458274.52 19.98
2018-06-28 20:18:32 2458298.35 19.88
2018-07-29 00:19:16 2458328.51 19.59
2018-12-18 13:53:17 2458471.08 19.75
2018-12-18 15:39:51 2458471.15 19.78
2019-01-12 01:40:05 2458495.57 19.82
2019-01-12 03:26:38 2458495.64 19.80
2019-02-07 13:25:36 2458522.06 19.67
2019-06-15 13:39:45 2458650.07 19.45
2019-06-15 15:26:19 2458650.14 19.42
2019-07-14 07:32:04 2458678.81 19.52
2019-07-14 09:18:38 2458678.89 19.57
2019-08-11 23:55:47 2458707.50 19.65
2019-08-12 04:09:29 2458707.67 19.69
2019-12-17 03:43:10 2458834.65 19.28
2020-01-13 08:58:40 2458861.87 19.25
2020-01-13 10:45:13 2458861.95 19.25
2020-02-05 21:47:59 2458885.41 19.21
2020-02-05 23:34:33 2458885.48 19.28
2020-06-28 18:47:49 2459029.28 19.10
2020-12-19 01:51:47 2459202.58 18.85
2020-12-19 03:38:20 2459202.65 18.81
2021-01-12 21:24:00 2459227.39 18.75
2021-02-07 19:24:08 2459253.31 18.61
2021-02-07 21:10:42 2459253.38 18.62
2021-06-16 01:38:44 2459381.57 18.57
2021-06-16 03:25:18 2459381.64 18.54
2021-07-15 07:30:02 2459410.81 18.59
2021-08-09 03:13:25 2459435.63 18.42



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