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Gaia21ahm




Other surveys detections
None
Comments
brightening of a known z=0.64 QSO
ATels
None
AstroNotes
None

TNS ID
AT2021asw

RA - DEC
163.86608   63.70023
10:55:27.86   63:42:00.83
Galactic coords.
142.00439   48.91107

Alerting date
2021-01-16 22:58:22
Julian date (TCB)
2459231.46
Alerting magnitude
18.45
Historic magnitude
18.90
Historic StdDev
0.12
Class
QSO
Publication date
Jan. 18, 2021, 10:58 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.
2015-01-17 04:21:04 2457039.68 18.48
2015-01-26 20:40:57 2457049.36 18.47
2015-01-26 22:27:31 2457049.44 18.45
2015-03-11 07:07:53 2457092.80 18.54
2015-03-11 08:54:27 2457092.87 18.58
2015-03-28 14:55:45 2457110.12 18.57
2015-07-03 11:57:39 2457207.00 18.55
2015-07-03 13:44:13 2457207.07 18.52
2015-08-26 01:27:38 2457260.56 18.57
2015-08-26 05:41:19 2457260.74 18.55
2015-08-26 07:27:53 2457260.81 18.56
2015-09-17 17:51:04 2457283.24 18.59
2015-10-24 23:29:36 2457320.48 18.66
2015-10-25 01:16:11 2457320.55 18.63
2015-12-17 12:41:25 2457374.03 18.74
2015-12-17 16:55:05 2457374.20 18.74
2016-01-28 21:29:23 2457416.40 18.75
2016-01-28 23:15:57 2457416.47 18.73
2016-02-06 23:22:03 2457425.47 18.74
2016-02-07 03:35:43 2457425.65 18.72
2016-03-20 20:08:05 2457468.34 18.73
2016-03-20 21:54:39 2457468.41 18.68
2016-04-10 08:05:15 2457488.84 18.68
2016-05-15 07:26:38 2457523.81 18.77
2016-05-15 09:13:12 2457523.88 18.73
2016-06-23 01:00:01 2457562.54 18.91
2016-06-23 02:46:35 2457562.62 18.75
2016-06-23 07:00:15 2457562.79 18.78
2016-07-15 13:08:34 2457585.05 18.84
2016-07-15 14:55:08 2457585.12 18.83
2016-07-15 19:08:48 2457585.30 18.95
2016-07-15 20:55:22 2457585.37 18.86
2016-09-07 02:39:34 2457638.61 18.86
2016-10-02 12:57:30 2457664.04 18.88
2016-11-04 12:38:42 2457697.03 18.92
2016-12-26 23:56:04 2457749.50 18.94
2016-12-27 01:42:39 2457749.57 18.96
2017-02-07 22:23:58 2457792.43 18.93
2017-02-08 04:24:12 2457792.68 18.95
2017-02-17 19:39:04 2457802.32 18.95
2017-02-17 23:52:44 2457802.49 18.95
2017-03-31 18:19:16 2457844.26 18.97
2017-04-24 10:24:35 2457867.93 18.96
2017-07-10 05:18:03 2457944.72 18.92
2017-07-10 09:31:43 2457944.90 18.95
2017-07-10 11:18:17 2457944.97 18.89
2017-07-29 15:43:05 2457964.15 18.85
2017-07-29 21:43:19 2457964.41 18.70
2017-07-29 23:29:53 2457964.48 18.87
2017-07-30 05:30:07 2457964.73 18.90
2017-09-19 15:27:04 2458016.14 18.88
2017-09-19 17:13:38 2458016.22 18.87
2017-10-17 15:23:43 2458044.14 18.83
2017-11-15 15:09:00 2458073.13 18.83
2017-11-15 16:55:35 2458073.21 18.80
2017-12-23 08:11:42 2458110.84 18.80
2017-12-23 09:58:17 2458110.92 18.85
2018-01-06 04:03:52 2458124.67 18.86
2018-01-06 08:17:32 2458124.85 18.83
2018-03-02 12:47:29 2458180.03 18.86
2018-04-11 19:22:57 2458220.31 18.73
2018-06-08 11:06:16 2458277.96 18.74
2018-06-08 12:52:50 2458278.04 18.71
2018-07-27 16:44:12 2458327.20 18.80
2018-07-27 18:30:47 2458327.27 18.79
2018-07-27 22:44:27 2458327.45 18.78
2018-07-28 00:31:01 2458327.52 18.82
2018-08-14 16:56:32 2458345.21 18.80
2018-08-14 18:43:06 2458345.28 18.81
2018-08-14 22:56:46 2458345.46 18.82
2018-08-15 00:43:20 2458345.53 18.73
2018-10-01 18:24:34 2458393.27 18.86
2018-10-31 22:25:05 2458423.43 18.89
2018-11-01 00:11:40 2458423.51 18.95
2018-11-26 16:15:40 2458449.18 18.81
2019-01-05 03:07:52 2458488.63 18.71
2019-01-05 04:54:26 2458488.70 18.75
2019-01-16 15:14:24 2458500.14 18.77
2019-03-01 01:38:15 2458543.57 18.75
2019-03-01 03:24:49 2458543.64 18.79
2019-03-15 13:42:34 2458558.07 18.77
2019-05-23 14:08:25 2458627.09 18.92
2019-06-21 00:16:02 2458655.51 18.94
2019-06-21 02:02:36 2458655.59 18.90
2019-07-19 19:38:25 2458684.32 18.85
2019-07-19 21:25:00 2458684.39 18.81
2019-09-03 16:39:14 2458730.19 18.77
2019-09-03 18:25:48 2458730.27 18.76
2019-09-18 17:03:17 2458745.21 18.77
2019-09-18 18:49:51 2458745.28 18.77
2019-10-27 07:16:36 2458783.80 18.77
2019-12-22 09:30:47 2458839.90 18.77
2019-12-22 11:17:22 2458839.97 18.75
2020-02-09 17:25:46 2458889.23 18.77
2020-02-09 19:12:21 2458889.30 18.73
2020-02-10 01:12:35 2458889.55 18.79
2020-02-28 17:50:30 2458908.24 18.79
2020-02-28 19:37:05 2458908.32 18.82
2020-02-28 23:50:44 2458908.49 18.78
2020-04-10 07:31:14 2458949.81 18.83
2020-05-13 08:57:36 2458982.87 18.87
2020-05-13 10:44:09 2458982.95 18.84
2020-06-05 21:44:59 2459006.41 18.89
2020-06-05 23:31:32 2459006.48 18.87
2020-07-19 20:10:01 2459050.34 18.86
2020-07-20 00:23:41 2459050.52 18.87
2020-08-15 16:55:43 2459077.21 18.82
2020-08-15 18:42:17 2459077.28 18.82
2020-08-16 00:42:32 2459077.53 18.78
2020-10-02 10:37:07 2459124.94 18.73
2020-11-01 16:23:04 2459155.18 18.65
2020-11-01 18:09:39 2459155.26 18.63
2020-11-27 04:14:11 2459180.68 18.62
2021-01-05 21:05:33 2459220.38 18.48
2021-01-05 22:52:07 2459220.45 18.48
2021-01-16 22:58:22 2459231.46 18.45
2021-01-17 03:12:03 2459231.63 18.44
2021-03-01 13:36:02 2459275.07 18.37
2021-03-01 15:22:36 2459275.14 18.37
2021-03-16 03:26:29 2459289.64 18.36
2021-04-23 18:40:12 2459328.28 18.30
2021-05-24 12:19:59 2459359.01 18.22
2021-05-24 14:06:33 2459359.09 18.32
2021-06-21 20:01:35 2459387.33 18.34
2021-08-13 05:56:34 2459439.75 18.33
2021-08-13 07:43:09 2459439.82 18.29
2021-08-13 11:56:49 2459440.00 18.32
2021-08-13 13:43:23 2459440.07 18.32
2021-09-02 06:08:49 2459459.76 18.31
2021-09-02 07:55:23 2459459.83 18.33
2021-10-14 07:34:03 2459501.82 18.30
2021-11-15 13:09:16 2459534.05 18.39
2021-12-07 19:05:23 2459556.30 18.43
2022-01-18 04:00:54 2459597.67 18.44
2022-01-18 05:47:29 2459597.74 18.40
2022-01-27 16:07:12 2459607.17 18.40
2022-01-27 17:53:47 2459607.25 18.39
2022-03-12 02:34:35 2459650.61 18.38
2022-03-29 14:35:31 2459668.11 18.40
2022-05-05 07:46:36 2459704.82 18.46
2022-05-05 09:33:10 2459704.90 18.43
2022-06-09 01:22:04 2459739.56 18.50
2022-06-09 03:08:38 2459739.63 18.44
2022-07-04 07:25:11 2459764.81 18.54
2022-07-04 09:11:45 2459764.88 18.47
2022-07-04 13:25:25 2459765.06 18.56
2022-07-04 15:11:59 2459765.13 18.55
2022-08-27 02:55:30 2459818.62 18.59
2022-08-27 07:09:10 2459818.80 18.60
2022-09-19 01:18:31 2459841.55 18.59
2022-10-25 20:43:41 2459878.36 18.68
2022-11-29 02:07:46 2459912.59 18.66
2022-12-18 08:08:20 2459931.84 18.73
2023-01-29 18:42:07 2459974.28 18.77
2023-03-22 15:34:55 2460026.15 18.71
2023-03-22 17:21:28 2460026.22 18.69
2023-04-12 09:31:35 2460046.90 18.67
2023-05-17 02:54:00 2460081.62 18.83
2023-05-17 04:40:34 2460081.69 18.77
2023-06-25 10:13:54 2460120.93 18.90
2023-07-17 14:36:19 2460143.11 18.94
2023-07-17 16:22:53 2460143.18 18.98
2023-07-17 20:36:33 2460143.36 18.97
2023-07-17 22:23:07 2460143.43 18.99
2023-09-09 04:07:25 2460196.67 18.93
2023-10-04 20:24:43 2460222.35 18.89
2023-11-06 08:06:07 2460254.84 18.76
2023-12-12 07:18:46 2460290.80 18.78
2023-12-12 09:05:20 2460290.88 18.77
2023-12-28 15:09:07 2460307.13 18.81
2023-12-28 19:22:47 2460307.31 18.74



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