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Gaia21evd




Other surveys detections
None
Comments
QSO (z=0.92872) brightens by 0.5 mag in 10 months
ATels
None
AstroNotes
None

TNS ID
AT2021acca

RA - DEC
209.93394   34.65123
13:59:44.15   34:39:04.43
Galactic coords.
64.33591   73.56131

Alerting date
2021-10-22 07:01:17
Julian date (TCB)
2459509.79
Alerting magnitude
18.27
Historic magnitude
18.71
Historic StdDev
0.12
Class
QSO
Publication date
Oct. 24, 2021, 12:18 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.
2014-08-19 19:58:38 2456889.33 18.48
2014-08-20 00:12:17 2456889.51 18.47
2014-08-20 07:59:04 2456889.83 18.40
2014-08-20 12:12:44 2456890.01 18.47
2014-08-20 13:59:17 2456890.08 18.45
2014-08-23 20:02:14 2456893.33 18.46
2014-08-24 00:15:54 2456893.51 18.49
2014-08-24 06:16:07 2456893.76 18.54
2014-10-31 21:56:23 2456962.41 18.47
2014-10-31 23:42:58 2456962.49 18.44
2014-11-01 03:56:38 2456962.66 18.46
2014-11-01 05:43:13 2456962.74 18.47
2014-11-01 09:56:53 2456962.91 18.49
2014-11-01 11:43:28 2456962.99 18.46
2015-02-06 03:08:49 2457059.63 18.45
2015-02-06 04:55:23 2457059.71 18.46
2015-05-13 07:57:56 2457155.83 18.46
2015-05-29 18:15:00 2457172.26 18.42
2015-07-06 13:12:19 2457210.05 18.39
2015-09-02 12:52:30 2457268.04 18.29
2015-09-02 18:52:43 2457268.29 18.30
2015-11-01 16:58:05 2457328.21 18.31
2015-11-01 18:44:40 2457328.28 18.32
2015-11-01 22:58:20 2457328.46 18.33
2015-11-19 23:09:02 2457346.46 18.35
2015-11-20 00:55:36 2457346.54 18.34
2015-12-26 16:46:00 2457383.20 18.41
2016-01-29 22:08:04 2457417.42 18.45
2016-01-29 23:54:39 2457417.50 18.43
2016-02-16 05:57:59 2457434.75 18.46
2016-05-22 19:11:48 2457531.30 18.47
2016-05-22 20:58:22 2457531.37 18.45
2016-06-12 02:57:07 2457551.62 18.47
2016-07-17 08:20:24 2457586.85 18.51
2016-08-28 07:52:19 2457628.83 18.57
2016-08-28 12:05:58 2457629.00 18.56
2016-08-28 18:06:12 2457629.25 18.56
2016-09-12 18:16:01 2457644.26 18.57
2016-09-12 20:02:35 2457644.34 18.57
2016-09-13 00:16:15 2457644.51 18.57
2016-09-13 02:02:49 2457644.59 18.55
2016-09-13 06:16:29 2457644.76 18.56
2016-09-13 08:03:03 2457644.84 18.55
2016-11-11 19:55:35 2457704.33 18.59
2016-11-12 00:09:16 2457704.51 18.58
2016-11-12 01:55:50 2457704.58 18.60
2016-12-04 18:14:48 2457727.26 18.58
2016-12-04 20:01:23 2457727.33 18.59
2017-01-05 13:41:38 2457759.07 18.62
2017-02-11 12:27:41 2457796.02 18.61
2017-02-11 14:14:16 2457796.09 18.65
2017-02-25 02:20:30 2457809.60 18.64
2017-02-25 06:34:11 2457809.77 18.64
2017-04-14 22:55:40 2457858.46 18.64
2017-04-15 00:42:14 2457858.53 18.67
2017-04-15 04:55:54 2457858.71 18.66
2017-04-15 10:56:08 2457858.96 18.63
2017-04-15 18:42:56 2457859.28 18.69
2017-04-15 22:56:36 2457859.46 18.63
2017-04-16 00:43:10 2457859.53 18.66
2017-04-16 04:56:50 2457859.71 18.66
2017-04-16 06:43:24 2457859.78 18.65
2017-04-16 12:43:38 2457860.03 18.65
2017-04-16 22:57:32 2457860.46 18.71
2017-06-02 15:36:55 2457907.15 18.64
2017-06-02 17:23:28 2457907.22 18.69
2017-09-20 10:31:52 2458016.94 18.74
2017-09-20 16:32:07 2458017.19 18.74
2017-09-20 22:32:21 2458017.44 18.71
2017-09-21 04:32:35 2458017.69 18.72
2017-09-21 16:33:03 2458018.19 18.68
2017-09-21 22:33:18 2458018.44 18.72
2017-09-22 04:33:32 2458018.69 18.69
2017-09-22 10:33:46 2458018.94 18.74
2017-09-22 16:34:01 2458019.19 18.74
2017-11-23 08:42:58 2458080.86 18.76
2017-11-23 10:29:33 2458080.94 18.80
2017-12-19 14:39:49 2458107.11 18.85
2018-03-06 15:17:31 2458184.14 18.80
2018-03-06 19:31:11 2458184.31 18.81
2018-03-06 21:17:46 2458184.39 18.84
2018-04-23 17:47:26 2458232.24 18.79
2018-04-23 19:34:00 2458232.32 18.79
2018-04-23 23:47:40 2458232.49 18.79
2018-04-24 01:34:14 2458232.57 18.78
2018-05-01 07:39:31 2458239.82 18.77
2018-05-01 11:53:10 2458240.00 18.79
2018-05-01 13:39:44 2458240.07 18.77
2018-07-11 16:26:53 2458311.19 18.64
2018-08-10 04:14:39 2458340.68 18.64
2018-12-04 15:53:59 2458457.16 18.58
2019-01-02 15:39:59 2458486.15 18.56
2019-01-26 23:19:02 2458510.47 18.59
2019-03-10 20:20:26 2458553.35 18.50
2019-03-10 22:07:01 2458553.42 18.50
2019-03-11 02:20:41 2458553.60 18.52
2019-03-11 04:07:15 2458553.67 18.52
2019-03-15 16:11:20 2458558.17 18.53
2019-03-15 20:25:00 2458558.35 18.52
2019-03-15 22:11:34 2458558.42 18.51
2019-03-16 02:25:15 2458558.60 18.50
2019-05-03 12:42:27 2458607.03 18.46
2019-05-03 14:29:01 2458607.10 18.54
2019-05-15 18:48:27 2458619.28 18.52
2019-06-25 05:47:25 2458659.74 18.49
2019-06-25 07:33:59 2458659.82 18.57
2019-09-14 00:02:52 2458740.50 18.66
2019-09-14 04:16:31 2458740.68 18.70
2019-09-14 06:03:05 2458740.75 18.65
2019-09-14 10:16:45 2458740.93 18.68
2019-09-14 12:03:19 2458741.00 18.67
2019-09-18 10:20:42 2458744.93 18.62
2019-09-18 16:20:56 2458745.18 18.69
2019-09-18 18:07:30 2458745.26 18.66
2019-09-18 22:21:09 2458745.43 18.65
2019-09-19 00:07:43 2458745.51 18.67
2019-11-06 07:35:40 2458793.82 18.62
2019-11-18 03:39:22 2458805.65 18.63
2020-01-25 05:27:51 2458873.73 18.63
2020-01-25 07:14:25 2458873.80 18.67
2020-02-18 14:02:42 2458898.09 18.69
2020-02-18 18:16:23 2458898.26 18.69
2020-04-18 08:19:14 2458957.85 18.71
2020-04-18 14:19:28 2458958.10 18.65
2020-04-18 16:06:02 2458958.17 18.66
2020-04-18 20:19:41 2458958.35 18.67
2020-04-18 22:06:16 2458958.42 18.69
2020-04-19 02:19:55 2458958.60 18.69
2020-04-19 04:06:29 2458958.67 18.68
2020-04-29 20:30:58 2458969.35 18.71
2020-04-29 22:17:33 2458969.43 18.70
2020-04-30 02:31:12 2458969.61 18.74
2020-04-30 04:17:46 2458969.68 18.68
2020-04-30 08:31:26 2458969.86 18.65
2020-04-30 10:17:59 2458969.93 18.68
2020-06-14 22:17:15 2459015.43 18.71
2020-06-15 00:03:48 2459015.50 18.70
2020-07-19 01:32:44 2459049.56 18.71
2020-08-10 16:13:27 2459072.18 18.71
2020-08-10 18:00:01 2459072.25 18.72
2020-12-05 03:52:57 2459188.66 18.70
2020-12-05 05:39:32 2459188.74 18.69
2021-01-03 11:24:29 2459217.98 18.75
2021-01-27 11:17:37 2459241.97 18.71
2021-03-11 14:18:03 2459285.10 18.65
2021-03-11 16:04:38 2459285.17 18.63
2021-03-11 20:18:18 2459285.35 18.46
2021-03-11 22:04:52 2459285.42 18.64
2021-03-12 02:18:33 2459285.60 18.65
2021-03-12 04:05:07 2459285.67 18.64
2021-03-15 22:08:33 2459289.42 18.66
2021-03-16 02:22:14 2459289.60 18.66
2021-03-16 08:22:28 2459289.85 18.65
2021-03-16 10:09:03 2459289.92 18.63
2021-05-04 00:40:12 2459338.53 18.54
2021-05-04 02:26:46 2459338.60 18.53
2021-05-16 14:32:32 2459351.11 18.52
2021-06-25 19:32:33 2459391.31 18.46
2021-07-27 23:24:05 2459423.48 18.40
2021-08-22 11:23:17 2459448.97 18.36
2021-08-22 13:09:51 2459449.05 18.38
2021-08-22 17:23:31 2459449.22 18.37
2021-08-22 19:10:04 2459449.30 18.40
2021-10-22 07:01:17 2459509.79 18.27
2021-10-22 11:14:57 2459509.97 18.28
2021-10-22 13:01:32 2459510.04 18.25
2021-10-22 17:15:12 2459510.22 18.19
2021-10-23 01:02:01 2459510.54 18.27
2021-11-02 17:24:44 2459521.23 18.25
2021-11-02 19:11:18 2459521.30 18.24
2021-11-02 23:24:59 2459521.48 18.24
2021-11-03 05:25:14 2459521.73 18.26
2021-11-03 07:11:49 2459521.80 18.27
2021-12-16 11:03:39 2459564.96 18.23
2022-01-17 06:23:14 2459596.77 18.21
2022-02-06 18:22:18 2459617.27 18.26
2022-02-06 22:35:59 2459617.44 18.21
2022-05-14 01:38:07 2459713.57 18.19
2022-05-14 03:24:41 2459713.64 18.14
2022-05-30 19:41:17 2459730.32 18.25
2022-05-30 21:27:51 2459730.39 18.19
2022-08-13 02:12:47 2459804.59 18.25
2022-08-13 06:26:27 2459804.77 18.23
2022-09-03 06:33:32 2459825.77 18.28
2022-09-03 08:20:06 2459825.85 18.27
2022-09-03 12:33:45 2459826.02 18.30
2022-09-03 14:20:19 2459826.10 18.30
2022-11-02 08:12:08 2459885.84 18.33
2022-11-02 12:25:49 2459886.02 18.28
2022-11-02 14:12:23 2459886.09 18.31
2022-11-21 06:36:28 2459904.78 18.29
2022-11-21 08:23:03 2459904.85 18.35
2022-12-27 12:13:37 2459941.01 18.33
2023-01-30 23:34:35 2459975.48 18.39
2023-02-16 23:38:22 2459992.48 18.33
2023-02-17 01:24:57 2459992.56 18.37
2023-05-24 16:25:18 2460089.18 18.32
2023-06-14 08:37:04 2460109.86 18.39
2023-08-30 21:20:00 2460187.39 18.38
2023-08-31 01:33:39 2460187.57 18.38
2023-08-31 03:20:13 2460187.64 18.38
2023-09-14 13:43:40 2460202.07 18.38
2023-09-14 15:30:14 2460202.15 18.37
2023-09-14 19:43:53 2460202.32 18.34
2023-09-14 21:30:27 2460202.40 18.36
2023-09-15 01:44:07 2460202.57 18.37
2023-09-15 03:30:41 2460202.65 18.36
2023-11-13 15:23:19 2460262.14 18.43
2023-11-13 19:37:00 2460262.32 18.38
2023-12-07 01:41:59 2460285.57 18.40
2023-12-07 03:28:34 2460285.64 18.40
2024-01-07 09:09:11 2460316.88 18.36



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