TITLE: GCN CIRCULAR NUMBER: 31614 SUBJECT: Fermi trigger No 666962499: Global MASTER-Net observations report DATE: 22/02/20 07:15:14 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, V.Kornilov, E.Gorbovskoy, K.Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, D. Vlasenko, G.Antipov, D.Zimnukhov, V.Senik, T.Pogrosheva, E.Minkina, A.Chasovnikov, V.Topolev, V.Grinshpun, D.Kuvshinov, D. Cheryasov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev (Irkutsk State University, API), B.L.Carrasco, J.R.Valdes,V.Chavushyan, C.J.Martinez, V.M.Patino Alvarez, M.L.H.Rodriguez (INAOE, OAGH) A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V.Yurkov (Blagoveschensk Educational State University) MASTER-Amur robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Blagoveshchensk State Pedagogical University) started inspect of the Fermi GRB220219.47 (trigger No 666962499,02h 46m 16.80s , +08d 57m 36.0s, R=1) errorbox 752 sec after notice time and 783 sec after trigger time at 2022-02-19 11:34:37 UT, with upper limit up to 13.1 mag. The observations began at zenith distance = 57 deg. The sun altitude is -26.2 deg. MASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB220219.47 errorbox 24365 sec after notice time and 24396 sec after trigger time at 2022-02-19 18:08:10 UT, with upper limit up to 19.1 mag. Observations started at twilight. The observations began at zenith distance = 59 deg. The sun altitude is -9.6 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB220219.47 errorbox 46266 sec after notice time and 46297 sec after trigger time at 2022-02-20 00:13:11 UT, with upper limit up to 18.3 mag. Observations started at twilight. The observations began at zenith distance = 58 deg. The sun altitude is -11.8 deg. MASTER-OAGH robotic telescope located in Mexico (OAGH National Institute for Astrophysics, Optics and Electronics) started inspect of the Fermi GRB220219.47 errorbox 52035 sec after notice time and 52066 sec after trigger time at 2022-02-20 01:49:20 UT, with upper limit up to 19.4 mag. Observations started at twilight. The observations began at zenith distance = 31 deg. The sun altitude is -9.2 deg. The galactic latitude b = -44 deg., longitude l = 165 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1888359 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 864 | 2022-02-19 11:34:37 | MASTER-Amur | (02h 47m 26.95s , +08d 33m 00.2s) | P\ | 160 | 13.1 | 1053 | 2022-02-19 11:37:37 | MASTER-Amur | (02h 47m 21.13s , +08d 31m 59.1s) | P\ | 180 | 13.0 | 1253 | 2022-02-19 11:40:57 | MASTER-Amur | (02h 47m 27.20s , +08d 32m 14.1s) | P\ | 180 | 12.4 | 1453 | 2022-02-19 11:44:16 | MASTER-Amur | (02h 47m 25.32s , +08d 33m 36.7s) | P\ | 180 | 12.4 | 1652 | 2022-02-19 11:47:36 | MASTER-Amur | (02h 47m 25.39s , +08d 32m 23.0s) | P\ | 180 | 13.1 | 24426 | 2022-02-19 18:08:10 | MASTER-SAAO | (02h 38m 53.98s , +10d 36m 56.6s) | C | 60 | 16.2 | 24506 | 2022-02-19 18:09:30 | MASTER-SAAO | (02h 45m 10.82s , +08d 42m 16.3s) | C | 60 | 16.5 | 24745 | 2022-02-19 18:13:28 | MASTER-SAAO | (02h 53m 22.84s , +08d 41m 35.7s) | C | 60 | 17.3 | 24829 | 2022-02-19 18:14:52 | MASTER-SAAO | (02h 46m 10.05s , +10d 37m 08.9s) | C | 60 | 17.3 | 24909 | 2022-02-19 18:16:12 | MASTER-SAAO | (02h 54m 19.25s , +10d 35m 47.5s) | C | 60 | 17.5 | 24990 | 2022-02-19 18:17:34 | MASTER-SAAO | (02h 44m 30.80s , +06d 49m 14.2s) | C | 60 | 17.4 | 25070 | 2022-02-19 18:18:54 | MASTER-SAAO | (02h 52m 30.53s , +06d 48m 28.0s) | C | 60 | 17.8 | 25231 | 2022-02-19 18:21:35 | MASTER-SAAO | (02h 37m 57.03s , +08d 42m 49.0s) | C | 60 | 17.8 | 25391 | 2022-02-19 18:24:14 | MASTER-SAAO | (02h 38m 51.36s , +10d 36m 05.9s) | C | 60 | 18.1 | 25471 | 2022-02-19 18:25:34 | MASTER-SAAO | (02h 45m 12.19s , +08d 43m 42.8s) | C | 60 | 18.4 | 25712 | 2022-02-19 18:29:36 | MASTER-SAAO | (02h 53m 16.08s , +08d 42m 53.4s) | C | 60 | 18.8 | 25792 | 2022-02-19 18:30:55 | MASTER-SAAO | (02h 46m 06.15s , +10d 38m 04.3s) | C | 60 | 18.6 | 25872 | 2022-02-19 18:32:15 | MASTER-SAAO | (02h 54m 21.04s , +10d 37m 00.4s) | C | 60 | 19.1 | 25951 | 2022-02-19 18:33:35 | MASTER-SAAO | (02h 44m 23.89s , +06d 48m 07.1s) | C | 60 | 18.6 | 26031 | 2022-02-19 18:34:55 | MASTER-SAAO | (02h 52m 32.18s , +06d 48m 07.2s) | C | 60 | 19.1 | 26191 | 2022-02-19 18:37:34 | MASTER-SAAO | (02h 37m 54.53s , +08d 42m 36.4s) | C | 60 | 18.8 | 26350 | 2022-02-19 18:40:14 | MASTER-SAAO | (02h 38m 45.87s , +10d 37m 29.5s) | C | 60 | 18.8 | 46327 | 2022-02-20 00:13:11 | MASTER-OAFA | (02h 43m 38.54s , +09d 24m 08.3s) | C | 60 | 16.7 | 46407 | 2022-02-20 00:14:31 | MASTER-OAFA | (02h 51m 38.41s , +09d 23m 20.8s) | C | 60 | 16.9 | 46488 | 2022-02-20 00:15:52 | MASTER-OAFA | (02h 44m 32.00s , +11d 19m 11.2s) | C | 60 | 16.9 | 46568 | 2022-02-20 00:17:11 | MASTER-OAFA | (02h 52m 40.17s , +11d 17m 36.3s) | C | 60 | 17.2 | 46647 | 2022-02-20 00:18:31 | MASTER-OAFA | (02h 42m 49.64s , +07d 30m 11.2s) | C | 60 | 17.2 | 46726 | 2022-02-20 00:19:50 | MASTER-OAFA | (02h 50m 51.61s , +07d 31m 22.5s) | C | 60 | 17.4 | 46885 | 2022-02-20 00:22:29 | MASTER-OAFA | (02h 36m 21.67s , +09d 23m 19.5s) | C | 60 | 17.5 | 47265 | 2022-02-20 00:28:49 | MASTER-OAFA | (02h 43m 33.53s , +09d 23m 13.0s) | C | 60 | 17.5 | 47345 | 2022-02-20 00:30:09 | MASTER-OAFA | (02h 51m 44.07s , +09d 23m 40.7s) | C | 60 | 18.2 | 47425 | 2022-02-20 00:31:28 | MASTER-OAFA | (02h 44m 32.20s , +11d 18m 49.7s) | C | 60 | 17.9 | 47504 | 2022-02-20 00:32:47 | MASTER-OAFA | (02h 52m 40.39s , +11d 17m 26.6s) | C | 60 | 18.2 | 47583 | 2022-02-20 00:34:07 | MASTER-OAFA | (02h 42m 55.11s , +07d 30m 42.8s) | C | 60 | 18.0 | 47664 | 2022-02-20 00:35:28 | MASTER-OAFA | (02h 50m 51.13s , +07d 30m 21.5s) | C | 60 | 18.3 | 48326 | 2022-02-20 00:46:30 | MASTER-OAFA | (02h 43m 40.15s , +09d 24m 44.0s) | C | 60 | 17.1 | 48426 | 2022-02-20 00:48:09 | MASTER-OAFA | (02h 51m 38.59s , +09d 24m 20.3s) | C | 60 | 17.7 | 48525 | 2022-02-20 00:49:49 | MASTER-OAFA | (02h 44m 28.52s , +11d 19m 10.3s) | C | 60 | 17.7 | 48625 | 2022-02-20 00:51:29 | MASTER-OAFA | (02h 52m 42.98s , +11d 18m 21.2s) | C | 60 | 18.0 | 48724 | 2022-02-20 00:53:08 | MASTER-OAFA | (02h 42m 48.17s , +07d 29m 04.6s) | C | 60 | 18.0 | 48824 | 2022-02-20 00:54:48 | MASTER-OAFA | (02h 50m 58.54s , +07d 29m 24.4s) | C | 60 | 18.2 | 49025 | 2022-02-20 00:58:08 | MASTER-OAFA | (02h 36m 19.19s , +09d 23m 16.3s) | C | 60 | 16.9 | 52096 | 2022-02-20 01:49:20 | MASTER-OAGH | (02h 47m 12.28s , +10d 52m 49.9s) | C | 60 | 14.5 | 52096 | 2022-02-20 01:49:20 | MASTER-OAGH | (02h 46m 52.36s , +11d 22m 09.6s) | C | 60 | 14.1 | 52178 | 2022-02-20 01:50:41 | MASTER-OAGH | (02h 45m 23.97s , +07d 03m 45.7s) | C | 60 | 14.6 | 52178 | 2022-02-20 01:50:41 | MASTER-OAGH | (02h 45m 03.55s , +07d 33m 15.3s) | C | 60 | 14.3 | 53200 | 2022-02-20 02:07:44 | MASTER-OAGH | (02h 46m 10.53s , +08d 57m 41.2s) | C | 60 | 16.9 | 53200 | 2022-02-20 02:07:44 | MASTER-OAGH | (02h 45m 50.51s , +09d 25m 50.7s) | C | 60 | 17.0 | 53282 | 2022-02-20 02:09:05 | MASTER-OAGH | (02h 47m 13.89s , +10d 52m 09.2s) | C | 60 | 17.1 | 53282 | 2022-02-20 02:09:05 | MASTER-OAGH | (02h 46m 54.03s , +11d 20m 13.1s) | C | 60 | 16.8 | 53363 | 2022-02-20 02:10:27 | MASTER-OAGH | (02h 45m 28.59s , +07d 05m 12.2s) | C | 60 | 16.3 | 53363 | 2022-02-20 02:10:27 | MASTER-OAGH | (02h 45m 08.34s , +07d 33m 26.4s) | C | 60 | 16.7 | 54382 | 2022-02-20 02:27:25 | MASTER-OAGH | (02h 46m 11.95s , +08d 59m 50.3s) | C | 60 | 19.3 | 54382 | 2022-02-20 02:27:25 | MASTER-OAGH | (02h 45m 51.64s , +09d 28m 27.8s) | C | 60 | 19.3 | 54463 | 2022-02-20 02:28:47 | MASTER-OAGH | (02h 47m 14.20s , +10d 52m 46.1s) | C | 60 | 19.4 | 54463 | 2022-02-20 02:28:47 | MASTER-OAGH | (02h 46m 54.05s , +11d 21m 18.1s) | C | 60 | 19.3 | 54544 | 2022-02-20 02:30:08 | MASTER-OAGH | (02h 45m 26.95s , +07d 03m 40.1s) | C | 60 | 19.2 | 54544 | 2022-02-20 02:30:08 | MASTER-OAGH | (02h 45m 06.26s , +07d 32m 22.8s) | C | 60 | 19.3 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.