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Gaia21ejc




Other surveys detections
None
Comments
known BL Lac brightens by 0.4 mag over ~14 months
ATels
None
AstroNotes
None

TNS ID
AT2021aaau

RA - DEC
181.75712   -47.77571
12:07:01.71   -47:46:32.56
Galactic coords.
295.25277   14.43279

Alerting date
2021-09-20 02:47:04
Julian date (TCB)
2459477.62
Alerting magnitude
17.94
Historic magnitude
18.39
Historic StdDev
0.09
Class
BL Lac
Publication date
Sept. 30, 2021, 3:48 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.
2014-08-25 04:51:38 2456894.70 18.27
2014-08-25 06:38:12 2456894.78 18.26
2014-11-13 07:27:32 2456974.81 18.20
2014-11-13 11:41:12 2456974.99 18.22
2015-01-01 04:45:16 2457023.70 18.20
2015-01-28 16:31:35 2457051.19 18.25
2015-01-28 18:18:10 2457051.26 18.23
2015-02-24 00:14:45 2457077.51 18.22
2015-02-24 04:28:26 2457077.69 18.27
2015-11-22 18:37:40 2457349.28 18.32
2015-11-22 20:24:14 2457349.35 18.33
2015-12-05 18:44:20 2457362.28 18.34
2015-12-05 20:30:54 2457362.35 18.35
2016-02-12 11:33:52 2457430.98 18.33
2016-02-12 13:20:26 2457431.06 18.31
2016-03-06 07:26:00 2457453.81 18.31
2016-03-06 11:39:41 2457453.99 18.32
2016-05-06 23:34:51 2457515.48 18.40
2016-05-07 01:21:25 2457515.56 18.38
2016-05-07 05:35:05 2457515.73 18.39
2016-05-07 07:21:39 2457515.81 18.38
2016-05-07 13:21:53 2457516.06 18.41
2016-05-20 19:31:15 2457529.31 18.41
2016-05-20 23:44:54 2457529.49 18.42
2016-05-21 01:31:28 2457529.56 18.39
2016-05-21 05:45:08 2457529.74 18.40
2016-07-03 07:03:47 2457572.79 18.36
2016-08-07 06:27:35 2457607.77 18.39
2016-08-27 10:39:41 2457627.94 18.38
2016-08-27 12:26:15 2457628.02 18.35
2016-12-01 13:37:25 2457724.07 18.38
2016-12-18 09:27:50 2457740.89 18.39
2017-01-21 19:02:35 2457775.29 18.37
2017-02-27 14:02:15 2457812.08 18.38
2017-02-27 15:48:50 2457812.16 18.32
2017-03-17 09:59:34 2457829.92 18.33
2017-03-17 14:13:15 2457830.09 18.34
2017-03-17 15:59:49 2457830.17 18.36
2017-03-17 20:13:30 2457830.34 18.33
2017-05-18 02:07:19 2457891.59 18.28
2017-05-18 03:53:53 2457891.66 18.29
2017-05-18 08:07:32 2457891.84 18.32
2017-05-18 09:54:06 2457891.91 18.29
2017-06-08 04:01:17 2457912.67 18.28
2017-06-08 10:01:30 2457912.92 18.30
2017-07-15 01:47:56 2457949.57 18.29
2017-08-21 14:45:33 2457987.11 18.28
2017-09-06 20:49:05 2458003.37 18.33
2018-02-01 21:35:14 2458151.40 18.21
2018-02-01 23:21:48 2458151.47 18.20
2018-03-18 09:14:33 2458195.89 18.32
2018-03-18 11:01:08 2458195.96 18.31
2018-03-18 21:15:04 2458196.39 18.34
2018-03-18 23:01:38 2458196.46 18.29
2018-03-19 03:15:18 2458196.64 18.31
2018-03-19 05:01:53 2458196.71 18.31
2018-03-26 23:08:57 2458204.46 18.35
2018-03-27 03:22:37 2458204.64 18.35
2018-03-27 05:09:12 2458204.71 18.28
2018-03-27 09:22:52 2458204.89 18.30
2018-03-27 11:09:26 2458204.96 18.28
2018-03-27 15:23:07 2458205.14 18.30
2018-03-27 17:09:41 2458205.22 18.27
2018-03-27 23:09:56 2458205.47 18.31
2018-03-28 03:23:36 2458205.64 18.33
2018-05-29 21:17:35 2458268.39 18.35
2018-05-29 23:04:09 2458268.46 18.36
2018-06-24 15:17:06 2458294.14 18.31
2018-07-26 14:55:09 2458326.12 18.26
2018-07-26 16:41:43 2458326.20 18.28
2018-09-04 21:40:44 2458366.40 18.24
2018-09-05 01:54:23 2458366.58 18.21
2018-09-16 20:00:15 2458378.33 18.24
2018-09-16 21:46:49 2458378.41 18.27
2018-11-05 02:03:23 2458427.59 18.27
2018-11-05 06:17:04 2458427.76 18.27
2018-11-05 08:03:38 2458427.84 18.26
2018-11-05 12:17:18 2458428.01 18.23
2018-11-05 14:03:53 2458428.09 18.23
2018-11-05 18:17:33 2458428.26 18.28
2018-11-05 20:04:07 2458428.34 18.28
2018-11-06 00:17:48 2458428.51 18.29
2018-11-06 02:04:22 2458428.59 18.28
2018-11-06 06:18:02 2458428.76 18.28
2018-11-06 12:18:16 2458429.01 18.27
2018-11-06 18:18:31 2458429.26 18.29
2018-11-07 00:18:45 2458429.51 18.28
2018-11-07 06:19:00 2458429.76 18.27
2018-11-07 08:05:34 2458429.84 18.27
2018-11-07 12:19:14 2458430.01 18.27
2018-11-07 14:05:49 2458430.09 18.29
2018-11-07 18:19:29 2458430.26 18.26
2018-11-07 20:06:03 2458430.34 18.28
2018-11-08 00:19:44 2458430.51 18.27
2018-11-08 02:06:18 2458430.59 18.31
2018-11-08 08:06:33 2458430.84 18.29
2018-12-21 23:07:16 2458474.46 18.27
2019-01-14 23:00:19 2458498.46 18.33
2019-02-13 00:32:22 2458527.52 18.38
2019-02-13 04:46:03 2458527.70 18.38
2019-06-10 16:27:28 2458645.19 18.36
2019-06-10 18:14:02 2458645.26 18.34
2019-07-10 00:02:44 2458674.50 18.33
2019-07-18 05:49:31 2458682.74 18.38
2019-07-18 07:36:04 2458682.82 18.35
2019-08-18 00:59:37 2458713.54 18.31
2019-08-18 02:46:11 2458713.62 18.28
2019-12-12 17:00:30 2458830.21 18.40
2019-12-12 18:47:05 2458830.28 18.37
2020-01-09 06:06:36 2458857.75 18.43
2020-01-09 07:53:11 2458857.83 18.39
2020-02-04 07:11:59 2458883.80 18.45
2020-02-04 08:58:34 2458883.87 18.44
2020-03-17 03:45:20 2458925.66 18.39
2020-03-17 05:31:54 2458925.73 18.37
2020-03-17 09:45:35 2458925.91 18.40
2020-03-17 11:32:09 2458925.98 18.40
2020-03-23 11:38:56 2458931.99 18.37
2020-03-23 15:52:37 2458932.16 18.39
2020-03-23 17:39:11 2458932.24 18.40
2020-03-23 21:52:51 2458932.41 18.40
2020-05-11 19:10:10 2458981.30 18.47
2020-05-11 20:56:43 2458981.37 18.47
2020-05-12 01:10:23 2458981.55 18.47
2020-05-12 02:56:57 2458981.62 18.45
2020-05-21 07:20:57 2458990.81 18.42
2020-05-21 09:07:31 2458990.88 18.44
2020-05-21 13:21:10 2458991.06 18.43
2020-07-02 15:40:37 2459033.15 18.41
2020-07-02 17:27:10 2459033.23 18.39
2020-09-05 15:38:13 2459098.15 18.31
2020-09-05 19:51:52 2459098.33 18.27
2020-09-05 21:38:26 2459098.40 18.29
2020-09-17 01:57:45 2459109.58 18.26
2020-09-17 03:44:19 2459109.66 18.25
2020-09-17 07:57:58 2459109.83 18.25
2020-11-05 06:14:00 2459158.76 18.21
2020-11-05 08:00:34 2459158.83 18.20
2020-11-05 12:14:15 2459159.01 18.18
2020-11-05 14:00:49 2459159.08 18.17
2020-11-05 18:14:29 2459159.26 18.17
2020-11-06 00:14:44 2459159.51 18.16
2020-11-08 06:16:51 2459161.76 18.16
2020-11-08 12:17:06 2459162.01 18.16
2020-11-08 14:03:40 2459162.09 18.19
2020-11-08 18:17:20 2459162.26 18.15
2020-11-09 00:17:35 2459162.51 18.16
2020-11-09 02:04:10 2459162.59 18.16
2020-12-22 06:52:11 2459205.79 18.16
2021-01-15 16:58:14 2459230.21 18.16
2021-02-13 16:45:02 2459259.20 18.16
2021-06-11 10:26:30 2459376.94 18.00
2021-06-11 12:13:04 2459377.01 17.99
2021-07-10 22:14:04 2459406.43 18.01
2021-08-07 09:59:36 2459433.92 17.95
2021-08-07 11:46:10 2459433.99 17.98
2021-09-20 02:47:04 2459477.62 17.94
2021-09-20 04:33:39 2459477.69 17.93
2021-09-20 08:47:18 2459477.87 17.95
2021-09-26 08:51:59 2459483.87 17.94
2021-09-26 10:38:33 2459483.94 17.91
2021-09-26 14:52:12 2459484.12 17.91
2021-09-26 16:38:46 2459484.19 17.94



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