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Gaia21apn




Other surveys detections
None
Comments
known z=0.26 QSO brightens by 0.6 mag in 2 years
ATels
None
AstroNotes
None

TNS ID
AT2021bum

RA - DEC
27.53223   2.02612
01:50:07.74   02:01:34.03
Galactic coords.
151.12182   -57.59749

Alerting date
2021-02-03 12:55:13
Julian date (TCB)
2459249.04
Alerting magnitude
18.02
Historic magnitude
18.55
Historic StdDev
0.13
Class
QSO
Publication date
Feb. 5, 2021, 10:07 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.
2014-08-31 02:54:27 2456900.62 18.73
2014-08-31 04:41:02 2456900.70 18.71
2015-02-12 18:34:34 2457066.27 18.50
2015-02-12 20:21:08 2457066.35 18.50
2015-07-03 01:46:25 2457206.57 18.42
2015-07-03 03:33:00 2457206.65 18.40
2015-08-24 21:23:05 2457259.39 18.38
2015-08-25 01:36:46 2457259.57 18.46
2016-02-03 21:25:14 2457422.39 18.52
2016-02-22 01:39:16 2457440.57 18.51
2016-07-13 02:57:49 2457582.62 18.49
2016-08-18 02:33:29 2457618.61 18.44
2016-08-18 04:20:04 2457618.68 18.45
2016-09-01 14:43:22 2457633.11 18.42
2016-09-01 16:29:57 2457633.19 18.40
2016-09-01 20:43:38 2457633.36 18.42
2017-01-13 09:18:20 2457766.89 18.54
2017-01-13 11:04:54 2457766.96 18.50
2017-02-18 05:43:13 2457802.74 18.54
2017-02-28 22:02:40 2457813.42 18.53
2017-02-28 23:49:13 2457813.49 18.55
2017-06-03 23:52:54 2457908.50 18.52
2017-06-04 01:39:28 2457908.57 18.57
2017-06-04 05:53:09 2457908.75 18.50
2017-06-17 00:02:03 2457921.50 18.55
2017-06-17 01:48:38 2457921.58 18.54
2017-07-24 05:32:11 2457958.73 18.51
2017-12-06 12:17:58 2458094.01 18.53
2017-12-06 14:04:31 2458094.09 18.48
2017-12-06 18:18:10 2458094.26 18.46
2017-12-06 20:04:44 2458094.34 18.48
2017-12-22 00:23:08 2458109.52 18.44
2018-01-23 17:48:57 2458142.24 18.36
2018-01-23 19:35:31 2458142.32 18.36
2018-06-12 14:43:24 2458282.11 18.54
2018-06-12 18:57:05 2458282.29 18.51
2018-07-03 01:02:01 2458302.54 18.51
2018-07-03 02:48:36 2458302.62 18.45
2018-08-04 06:44:04 2458334.78 18.56
2019-01-06 03:05:25 2458489.63 18.61
2019-06-22 15:51:24 2458657.16 18.39
2019-06-22 20:05:05 2458657.34 18.39
2019-08-07 10:29:47 2458702.94 18.36
2019-08-07 12:16:22 2458703.01 18.37
2019-12-23 19:44:41 2458841.32 18.11
2019-12-23 21:31:15 2458841.40 18.10
2020-01-17 08:37:19 2458865.86 18.18
2020-01-17 10:23:52 2458865.93 18.19
2020-06-24 19:09:18 2459025.30 18.16
2020-12-15 15:08:16 2459199.13 18.23
2021-01-07 01:16:24 2459221.55 18.24
2021-02-03 12:55:13 2459249.04 18.02
2021-06-23 03:50:13 2459388.66 17.89
2021-06-23 08:03:55 2459388.84 17.89
2021-07-19 13:59:12 2459415.08 17.90
2021-08-15 09:40:40 2459441.90 18.01
2021-08-15 13:54:21 2459442.08 18.03
2022-01-21 09:57:01 2459600.91 18.10
2022-02-13 09:48:07 2459623.91 18.22
2022-07-03 21:14:00 2459764.38 18.20
2022-07-03 23:00:35 2459764.46 18.21
2022-08-04 04:45:24 2459795.70 18.23
2022-08-25 10:50:21 2459816.95 18.24
2022-08-25 15:04:02 2459817.13 18.23
2023-01-04 17:23:47 2459949.22 18.25
2023-02-05 03:04:49 2459980.63 18.31
2023-02-22 16:52:36 2459998.20 18.25
2023-07-14 22:25:27 2460140.43 18.20
2023-08-20 11:46:52 2460176.99 18.16
2023-08-20 16:00:33 2460177.17 18.16
2023-08-20 17:47:08 2460177.24 18.18
2023-09-02 23:56:41 2460190.50 18.16
2023-09-03 04:10:22 2460190.67 18.18
2023-09-03 05:56:57 2460190.75 18.16
2024-01-15 04:45:40 2460324.70 18.19



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