TITLE: GCN CIRCULAR NUMBER: 28188 SUBJECT: Fermi GRB 200801A: Global MASTER-Net observations report DATE: 20/08/01 23:30:13 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva, D.Kuvshinov, D. Cheryasov (Lomonosov Moscow State University, SAI, Physics Department), R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico Felix Aguilar OAFA), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich, Yu. Sergienko (Blagoveschensk Educational State University) MASTER-Tavrida robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB 200801A ( Fermi GBM team, GCN 28183) errorbox 34900 sec after notice time and 34953 sec after trigger time at 2020-08-01 18:09:47 UT, with upper limit up to 18.1 mag. Observations started at twilight. The observations began at zenith distance = 52 deg. The sun altitude is -10.5 deg. The galactic latitude b = 24 deg., longitude l = 128 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1411903 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 34983 | 2020-08-01 18:09:47 | MASTER-Tavrida | (04h 52m 24.50s , +83d 37m 44.5s) | C | 60 | 16.8 | 35073 | 2020-08-01 18:11:17 | MASTER-Tavrida | (04h 50m 58.02s , +81d 47m 15.2s) | C | 60 | 16.9 | 35154 | 2020-08-01 18:12:38 | MASTER-Tavrida | (06h 27m 11.91s , +83d 49m 36.9s) | C | 60 | 17.0 | 35244 | 2020-08-01 18:14:08 | MASTER-Tavrida | (06h 00m 13.29s , +79d 40m 02.5s) | C | 60 | 17.0 | 35338 | 2020-08-01 18:15:41 | MASTER-Tavrida | (03h 54m 47.29s , +83d 47m 10.7s) | C | 60 | 17.2 | 35432 | 2020-08-01 18:17:16 | MASTER-Tavrida | (06h 08m 47.59s , +83d 39m 45.9s) | C | 60 | 17.2 | 35525 | 2020-08-01 18:18:49 | MASTER-Tavrida | (04h 50m 50.77s , +81d 46m 56.3s) | C | 60 | 17.2 | 35619 | 2020-08-01 18:20:22 | MASTER-Tavrida | (06h 32m 02.39s , +81d 39m 49.6s) | C | 60 | 17.5 | 35710 | 2020-08-01 18:21:54 | MASTER-Tavrida | (06h 27m 04.12s , +83d 51m 10.0s) | C | 60 | 17.5 | 35791 | 2020-08-01 18:23:15 | MASTER-Tavrida | (07h 43m 53.85s , +83d 51m 37.2s) | C | 60 | 17.7 | 35879 | 2020-08-01 18:24:43 | MASTER-Tavrida | (06h 00m 24.24s , +79d 40m 38.7s) | C | 60 | 17.5 | 35970 | 2020-08-01 18:26:14 | MASTER-Tavrida | (06h 10m 58.25s , +79d 50m 22.2s) | C | 60 | 17.6 | 36061 | 2020-08-01 18:27:44 | MASTER-Tavrida | (06h 08m 50.26s , +83d 40m 42.9s) | C | 60 | 17.6 | 36152 | 2020-08-01 18:29:16 | MASTER-Tavrida | (05h 48m 10.13s , +81d 49m 29.8s) | C | 60 | 17.6 | 36233 | 2020-08-01 18:30:37 | MASTER-Tavrida | (07h 43m 51.48s , +83d 51m 20.6s) | C | 60 | 17.9 | 36324 | 2020-08-01 18:32:07 | MASTER-Tavrida | (06h 46m 25.83s , +79d 40m 23.0s) | C | 60 | 17.7 | 36416 | 2020-08-01 18:33:40 | MASTER-Tavrida | (05h 51m 45.35s , +85d 47m 23.0s) | C | 60 | 18.0 | 36509 | 2020-08-01 18:35:13 | MASTER-Tavrida | (07h 29m 36.27s , +81d 42m 24.0s) | C | 60 | 17.8 | 36607 | 2020-08-01 18:36:51 | MASTER-Tavrida | (03h 53m 21.08s , +79d 46m 52.5s) | C | 60 | 17.7 | 36697 | 2020-08-01 18:38:21 | MASTER-Tavrida | (03h 40m 28.93s , +81d 35m 39.9s) | C | 60 | 17.8 | 36783 | 2020-08-01 18:39:47 | MASTER-Tavrida | (05h 51m 23.79s , +85d 49m 06.8s) | C | 60 | 18.1 | 36864 | 2020-08-01 18:41:08 | MASTER-Tavrida | (07h 46m 32.69s , +85d 50m 35.8s) | C | 60 | 18.1 | 36955 | 2020-08-01 18:42:38 | MASTER-Tavrida | (07h 29m 45.55s , +81d 43m 03.6s) | C | 60 | 17.9 | 37046 | 2020-08-01 18:44:09 | MASTER-Tavrida | (07h 43m 08.60s , +81d 52m 40.4s) | C | 60 | 17.8 | 37131 | 2020-08-01 18:45:34 | MASTER-Tavrida | (04h 28m 33.88s , +79d 38m 31.9s) | C | 60 | 17.9 | 37222 | 2020-08-01 18:47:06 | MASTER-Tavrida | (04h 39m 10.84s , +79d 47m 57.1s) | C | 60 | 17.9 | 37311 | 2020-08-01 18:48:35 | MASTER-Tavrida | (03h 40m 24.02s , +81d 35m 17.2s) | C | 60 | 17.9 | 37401 | 2020-08-01 18:50:05 | MASTER-Tavrida | (03h 53m 50.36s , +81d 45m 42.5s) | C | 60 | 17.9 | 37482 | 2020-08-01 18:51:25 | MASTER-Tavrida | (07h 46m 08.69s , +85d 51m 58.2s) | C | 60 | 18.1 | 37562 | 2020-08-01 18:52:46 | MASTER-Tavrida | (07h 43m 09.17s , +81d 52m 05.9s) | C | 60 | 17.9 | 37648 | 2020-08-01 18:54:12 | MASTER-Tavrida | (05h 14m 32.31s , +79d 39m 29.2s) | C | 60 | 17.8 | 37741 | 2020-08-01 18:55:45 | MASTER-Tavrida | (03h 53m 40.51s , +81d 46m 40.7s) | C | 60 | 17.9 | 37839 | 2020-08-01 18:57:22 | MASTER-Tavrida | (07h 32m 40.93s , +79d 42m 37.1s) | C | 60 | 18.0 | 37934 | 2020-08-01 18:58:58 | MASTER-Tavrida | (05h 48m 24.14s , +77d 48m 58.2s) | C | 60 | 17.7 | 38029 | 2020-08-01 19:00:32 | MASTER-Tavrida | (07h 34m 59.26s , +77d 41m 55.8s) | C | 60 | 17.7 | 38125 | 2020-08-01 19:02:08 | MASTER-Tavrida | (08h 40m 57.58s , +81d 54m 05.9s) | C | 60 | 18.0 | 38214 | 2020-08-01 19:03:38 | MASTER-Tavrida | (07h 32m 37.41s , +79d 43m 33.5s) | C | 60 | 18.0 | 38306 | 2020-08-01 19:05:09 | MASTER-Tavrida | (07h 43m 21.99s , +79d 52m 53.6s) | C | 60 | 17.9 | 38386 | 2020-08-01 19:06:30 | MASTER-Tavrida | (08h 29m 38.12s , +79d 53m 02.5s) | C | 60 | 17.9 | 38474 | 2020-08-01 19:07:57 | MASTER-Tavrida | (06h 18m 00.72s , +77d 41m 32.2s) | C | 60 | 17.5 | 38565 | 2020-08-01 19:09:29 | MASTER-Tavrida | (06h 26m 48.90s , +77d 50m 17.7s) | C | 60 | 17.6 | 38661 | 2020-08-01 19:11:04 | MASTER-Tavrida | (07h 35m 04.96s , +77d 43m 44.5s) | C | 60 | 17.7 | 38753 | 2020-08-01 19:12:36 | MASTER-Tavrida | (07h 43m 49.50s , +77d 53m 04.6s) | C | 60 | 17.8 | 38833 | 2020-08-01 19:13:57 | MASTER-Tavrida | (08h 40m 54.82s , +81d 55m 06.3s) | C | 60 | 18.0 | 38914 | 2020-08-01 19:15:17 | MASTER-Tavrida | (09h 38m 56.99s , +81d 55m 19.2s) | C | 60 | 18.1 | 38995 | 2020-08-01 19:16:38 | MASTER-Tavrida | (07h 43m 18.16s , +79d 51m 50.2s) | C | 60 | 18.0 | 39075 | 2020-08-01 19:17:59 | MASTER-Tavrida | (08h 29m 38.88s , +79d 53m 23.6s) | C | 60 | 17.9 | 39156 | 2020-08-01 19:19:19 | MASTER-Tavrida | (09h 15m 51.15s , +79d 55m 44.5s) | C | 60 | 18.1 | 39244 | 2020-08-01 19:20:48 | MASTER-Tavrida | (06h 56m 29.59s , +77d 40m 51.8s) | C | 60 | 17.6 | 39335 | 2020-08-01 19:22:18 | MASTER-Tavrida | (07h 43m 55.57s , +77d 53m 36.5s) | C | 60 | 17.9 | 39416 | 2020-08-01 19:23:39 | MASTER-Tavrida | (09h 38m 51.67s , +81d 55m 16.0s) | C | 60 | 18.0 | 39496 | 2020-08-01 19:25:00 | MASTER-Tavrida | (09h 15m 48.46s , +79d 56m 00.9s) | C | 60 | 18.0 | 39577 | 2020-08-01 19:26:21 | MASTER-Tavrida | (08h 22m 27.12s , +77d 52m 58.1s) | C | 60 | 18.0 | 39663 | 2020-08-01 19:27:46 | MASTER-Tavrida | (05h 01m 15.10s , +77d 39m 23.8s) | C | 60 | 17.5 | 39755 | 2020-08-01 19:29:19 | MASTER-Tavrida | (04h 59m 27.29s , +75d 49m 30.7s) | C | 60 | 17.5 | 39846 | 2020-08-01 19:30:50 | MASTER-Tavrida | (04h 18m 58.77s , +75d 38m 44.0s) | C | 60 | 17.5 | 39931 | 2020-08-01 19:32:14 | MASTER-Tavrida | (08h 22m 32.13s , +77d 53m 58.7s) | C | 60 | 17.8 | 40013 | 2020-08-01 19:33:36 | MASTER-Tavrida | (09h 01m 06.46s , +77d 53m 50.0s) | C | 60 | 18.0 | 40093 | 2020-08-01 19:34:57 | MASTER-Tavrida | (04h 31m 38.87s , +77d 47m 31.9s) | C | 60 | 17.7 | 40187 | 2020-08-01 19:36:31 | MASTER-Tavrida | (05h 39m 38.29s , +77d 40m 21.8s) | C | 60 | 17.6 | 40280 | 2020-08-01 19:38:04 | MASTER-Tavrida | (04h 59m 26.72s , +75d 48m 05.5s) | C | 60 | 17.5 | 40374 | 2020-08-01 19:39:38 | MASTER-Tavrida | (05h 58m 03.05s , +75d 41m 06.1s) | C | 60 | 17.6 | 40455 | 2020-08-01 19:40:59 | MASTER-Tavrida | (04h 18m 56.67s , +75d 37m 43.9s) | C | 60 | 17.5 | 40536 | 2020-08-01 19:42:19 | MASTER-Tavrida | (04h 51m 58.21s , +75d 39m 27.2s) | C | 60 | 17.1 | 40620 | 2020-08-01 19:43:44 | MASTER-Tavrida | (09h 01m 11.58s , +77d 54m 55.6s) | C | 60 | 17.8 | 40705 | 2020-08-01 19:45:09 | MASTER-Tavrida | (05h 39m 33.70s , +77d 38m 34.7s) | C | 60 | 17.6 | 40797 | 2020-08-01 19:46:41 | MASTER-Tavrida | (05h 32m 30.39s , +75d 49m 15.9s) | C | 60 | 17.6 | 40888 | 2020-08-01 19:48:12 | MASTER-Tavrida | (04h 52m 00.54s , +75d 39m 09.6s) | C | 60 | 17.2 | 40969 | 2020-08-01 19:49:33 | MASTER-Tavrida | (03h 44m 23.28s , +77d 37m 57.2s) | C | 60 | 17.4 | 41050 | 2020-08-01 19:50:54 | MASTER-Tavrida | (02h 56m 37.96s , +79d 41m 26.2s) | C | 60 | 17.5 | 41130 | 2020-08-01 19:52:14 | MASTER-Tavrida | (04h 45m 15.05s , +73d 37m 22.5s) | C | 60 | 17.2 | 41212 | 2020-08-01 19:53:36 | MASTER-Tavrida | (01h 46m 19.83s , +81d 46m 46.6s) | C | 60 | 17.6 | 41379 | 2020-08-01 19:56:22 | MASTER-Tavrida | (03h 44m 15.87s , +77d 37m 45.9s) | C | 60 | 17.5 | 41459 | 2020-08-01 19:57:43 | MASTER-Tavrida | (04h 22m 42.14s , +77d 37m 49.1s) | C | 60 | 17.7 | 41540 | 2020-08-01 19:59:03 | MASTER-Tavrida | (02h 56m 32.46s , +79d 42m 21.3s) | C | 60 | 17.6 | 41620 | 2020-08-01 20:00:24 | MASTER-Tavrida | (03h 42m 28.22s , +79d 36m 56.9s) | C | 60 | 17.6 | 41701 | 2020-08-01 20:01:44 | MASTER-Tavrida | (04h 45m 08.18s , +73d 37m 26.6s) | C | 60 | 17.3 | 41842 | 2020-08-01 20:04:05 | MASTER-Tavrida | (04h 53m 28.85s , +73d 48m 27.0s) | C | 60 | 13.9 | 41926 | 2020-08-01 20:05:30 | MASTER-Tavrida | (01h 46m 29.45s , +81d 47m 10.7s) | C | 60 | 17.8 | 42007 | 2020-08-01 20:06:50 | MASTER-Tavrida | (02h 43m 15.42s , +81d 42m 34.8s) | C | 60 | 17.7 | 42091 | 2020-08-01 20:08:14 | MASTER-Tavrida | (07h 11m 36.93s , +75d 52m 26.4s) | C | 60 | 17.3 | 42178 | 2020-08-01 20:09:42 | MASTER-Tavrida | (04h 22m 42.79s , +77d 38m 52.6s) | C | 60 | 17.6 | 42259 | 2020-08-01 20:11:03 | MASTER-Tavrida | (03h 42m 33.58s , +79d 38m 17.8s) | C | 60 | 17.5 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.