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Gaia21arc




Other surveys detections
None
Comments
QSO brightens by 0.35 mag in 20 months
ATels
None
AstroNotes
None

TNS ID
AT2021chh

RA - DEC
9.65229   25.39274
00:38:36.55   25:23:33.86
Galactic coords.
119.2848   -37.38814

Alerting date
2021-02-07 07:23:03
Julian date (TCB)
2459252.81
Alerting magnitude
18.49
Historic magnitude
18.92
Historic StdDev
0.10
Class
QSO
Publication date
Feb. 9, 2021, 9:35 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 20:23:38 2456894.35 19.00
2015-01-26 07:04:25 2457048.79 18.79
2015-01-26 08:50:59 2457048.87 18.76
2015-02-16 08:50:01 2457069.87 18.74
2015-02-16 13:03:40 2457070.04 18.78
2015-02-16 14:50:13 2457070.12 18.81
2015-11-23 09:26:00 2457349.89 18.81
2015-11-23 11:12:34 2457349.97 18.80
2015-11-23 15:26:13 2457350.14 18.80
2015-11-23 17:12:47 2457350.22 18.80
2015-11-28 23:16:45 2457355.47 18.78
2016-01-07 10:23:22 2457394.93 18.83
2016-02-11 02:02:38 2457429.59 18.91
2016-02-11 03:49:12 2457429.66 18.91
2016-02-11 08:02:50 2457429.84 18.93
2016-02-24 20:09:24 2457443.34 18.90
2016-02-24 21:55:57 2457443.41 18.95
2016-02-25 02:09:36 2457443.59 18.92
2016-02-25 03:56:10 2457443.66 18.87
2016-07-06 20:37:13 2457576.36 18.97
2016-07-06 22:23:47 2457576.43 18.94
2016-08-13 08:02:44 2457613.84 18.87
2016-08-13 09:49:19 2457613.91 18.87
2016-08-26 14:11:32 2457627.09 18.84
2016-11-29 10:22:42 2457721.93 18.96
2016-11-29 12:09:15 2457722.01 18.99
2016-12-14 04:26:38 2457736.69 18.92
2017-05-26 11:21:52 2457899.97 18.76
2017-05-26 13:08:27 2457900.05 18.71
2017-06-13 05:31:48 2457917.73 18.79
2017-06-13 07:18:23 2457917.80 18.76
2017-07-18 00:57:37 2457952.54 18.72
2017-12-08 12:47:12 2458096.03 18.80
2017-12-28 14:29:52 2458116.10 18.80
2018-01-27 12:15:56 2458146.01 18.85
2018-01-27 14:02:30 2458146.09 18.81
2018-06-05 02:17:32 2458274.60 18.71
2018-06-05 06:31:13 2458274.77 18.78
2018-07-29 02:08:12 2458328.59 18.74
2018-12-18 03:38:15 2458470.65 18.82
2019-01-11 21:24:10 2458495.39 18.85
2019-01-12 01:37:48 2458495.57 18.81
2019-02-06 19:24:19 2458521.31 18.81
2019-02-06 21:10:53 2458521.38 18.78
2019-06-15 19:42:10 2458650.32 18.90
2019-06-15 21:28:45 2458650.39 18.88
2019-07-14 19:33:21 2458679.31 18.83
2019-07-14 21:19:56 2458679.39 18.84
2019-08-11 10:09:21 2458706.92 18.85
2019-08-11 11:55:56 2458707.00 18.83
2019-12-17 07:54:39 2458834.83 18.72
2020-01-13 20:58:20 2458862.37 18.72
2020-01-13 22:44:53 2458862.45 18.71
2020-02-05 23:32:10 2458885.48 18.74
2020-06-28 06:48:14 2459028.78 18.63
2020-12-18 13:50:12 2459202.08 18.54
2020-12-18 15:36:46 2459202.15 18.50
2021-02-07 07:23:03 2459252.81 18.49
2021-02-07 09:09:37 2459252.88 18.49
2021-06-16 07:41:09 2459381.82 18.54
2021-06-16 09:27:44 2459381.89 18.47
2021-07-15 19:31:18 2459411.31 18.48
2021-07-15 21:17:53 2459411.39 18.48
2021-08-09 03:15:47 2459435.64 18.47



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