TITLE: GCN CIRCULAR NUMBER: 30809 SUBJECT: Fermi trigger No 653022153: Global MASTER-Net observations report DATE: 21/09/11 11:15:56 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), 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-OAFA robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Argentina (OAFA observatory of San Juan National University) started inspect of the Fermi GRB210911.13 (trigger No 653022153,19h 44m 45.60s , +15d 11m 24.0s, R=32.09) errorbox 1031 sec after notice time and 1060 sec after trigger time at 2021-09-11 03:20:08 UT, with upper limit up to 18.4 mag. The observations began at zenith distance = 50 deg. The sun altitude is -58.7 deg. The galactic latitude b = -5 deg., longitude l = 53 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1717060 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 1090 | 2021-09-11 03:20:08 | MASTER-OAFA | (19h 37m 06.45s , +04d 15m 10.7s) | C | 60 | 17.4 | 1169 | 2021-09-11 03:21:27 | MASTER-OAFA | (19h 23m 02.46s , +08d 02m 31.8s) | C | 60 | 16.5 | 1252 | 2021-09-11 03:22:50 | MASTER-OAFA | (19h 31m 14.93s , +08d 02m 41.7s) | C | 60 | 16.4 | 1336 | 2021-09-11 03:24:13 | MASTER-OAFA | (19h 47m 17.23s , +13d 44m 25.8s) | C | 60 | 17.1 | 1415 | 2021-09-11 03:25:33 | MASTER-OAFA | (19h 55m 35.82s , +13d 45m 29.2s) | C | 60 | 17.7 | 1495 | 2021-09-11 03:26:53 | MASTER-OAFA | (19h 55m 08.51s , +00d 27m 42.4s) | C | 60 | 17.9 | 1574 | 2021-09-11 03:28:12 | MASTER-OAFA | (20h 03m 14.49s , +00d 26m 30.8s) | C | 60 | 17.8 | 1654 | 2021-09-11 03:29:32 | MASTER-OAFA | (19h 40m 01.92s , +00d 26m 25.8s) | C | 60 | 17.6 | 1733 | 2021-09-11 03:30:51 | MASTER-OAFA | (19h 47m 59.31s , +00d 27m 41.8s) | C | 60 | 17.7 | 1813 | 2021-09-11 03:32:10 | MASTER-OAFA | (19h 26m 17.36s , +02d 22m 06.0s) | C | 60 | 17.0 | 1894 | 2021-09-11 03:33:32 | MASTER-OAFA | (19h 34m 11.89s , +02d 21m 09.1s) | C | 60 | 17.3 | 1976 | 2021-09-11 03:34:54 | MASTER-OAFA | (19h 31m 39.00s , +13d 45m 16.2s) | C | 60 | 17.3 | 2059 | 2021-09-11 03:36:17 | MASTER-OAFA | (19h 39m 47.93s , +13d 44m 06.5s) | C | 60 | 17.1 | 2140 | 2021-09-11 03:37:38 | MASTER-OAFA | (19h 23m 08.53s , +08d 02m 52.4s) | C | 60 | 16.5 | 2220 | 2021-09-11 03:38:58 | MASTER-OAFA | (19h 31m 10.66s , +08d 03m 53.6s) | C | 60 | 16.4 | 2300 | 2021-09-11 03:40:17 | MASTER-OAFA | (19h 47m 16.80s , +13d 44m 11.7s) | C | 60 | 17.1 | 2379 | 2021-09-11 03:41:37 | MASTER-OAFA | (19h 55m 35.78s , +13d 45m 23.0s) | C | 60 | 17.7 | 2459 | 2021-09-11 03:42:56 | MASTER-OAFA | (19h 55m 07.96s , +00d 26m 38.1s) | C | 60 | 17.8 | 2538 | 2021-09-11 03:44:16 | MASTER-OAFA | (20h 03m 08.96s , +00d 27m 26.8s) | C | 60 | 17.9 | 2618 | 2021-09-11 03:45:36 | MASTER-OAFA | (19h 40m 02.42s , +00d 26m 57.3s) | C | 60 | 17.6 | 2698 | 2021-09-11 03:46:56 | MASTER-OAFA | (19h 47m 55.88s , +00d 25m 45.9s) | C | 60 | 17.7 | 2778 | 2021-09-11 03:48:15 | MASTER-OAFA | (19h 26m 16.64s , +02d 20m 17.3s) | C | 60 | 17.0 | 2859 | 2021-09-11 03:49:37 | MASTER-OAFA | (19h 34m 15.20s , +02d 21m 55.4s) | C | 60 | 17.3 | 2938 | 2021-09-11 03:50:56 | MASTER-OAFA | (19h 31m 34.46s , +13d 44m 36.2s) | C | 60 | 17.3 | 3020 | 2021-09-11 03:52:18 | MASTER-OAFA | (19h 39m 52.46s , +13d 45m 44.1s) | C | 60 | 17.1 | 3100 | 2021-09-11 03:53:38 | MASTER-OAFA | (20h 08m 54.84s , +11d 51m 25.2s) | C | 60 | 17.8 | 3181 | 2021-09-11 03:54:59 | MASTER-OAFA | (20h 17m 12.37s , +11d 50m 15.1s) | C | 60 | 18.0 | 3263 | 2021-09-11 03:56:21 | MASTER-OAFA | (19h 47m 13.78s , +13d 43m 49.3s) | C | 60 | 17.1 | 3343 | 2021-09-11 03:57:41 | MASTER-OAFA | (19h 55m 36.07s , +13d 43m 54.6s) | C | 60 | 17.6 | 3422 | 2021-09-11 03:59:00 | MASTER-OAFA | (19h 55m 11.43s , +00d 27m 10.4s) | C | 60 | 17.8 | 3502 | 2021-09-11 04:00:19 | MASTER-OAFA | (20h 03m 11.36s , +00d 25m 52.5s) | C | 60 | 17.9 | 3581 | 2021-09-11 04:01:39 | MASTER-OAFA | (19h 40m 01.41s , +00d 27m 47.3s) | C | 60 | 17.6 | 3661 | 2021-09-11 04:02:58 | MASTER-OAFA | (19h 47m 56.79s , +00d 26m 42.0s) | C | 60 | 17.7 | 3740 | 2021-09-11 04:04:18 | MASTER-OAFA | (19h 26m 10.47s , +02d 22m 13.1s) | C | 60 | 17.0 | 3820 | 2021-09-11 04:05:38 | MASTER-OAFA | (19h 34m 18.10s , +02d 21m 00.3s) | C | 60 | 17.3 | 3900 | 2021-09-11 04:06:58 | MASTER-OAFA | (19h 31m 30.07s , +13d 43m 57.0s) | C | 60 | 17.3 | 3979 | 2021-09-11 04:08:17 | MASTER-OAFA | (19h 39m 53.14s , +13d 43m 59.1s) | C | 60 | 17.0 | 8220 | 2021-09-11 05:18:58 | MASTER-OAFA | (20h 10m 24.10s , +00d 25m 23.9s) | C | 60 | 18.0 | 8300 | 2021-09-11 05:20:18 | MASTER-OAFA | (20h 18m 21.30s , +00d 26m 42.8s) | C | 60 | 18.2 | 8379 | 2021-09-11 05:21:37 | MASTER-OAFA | (20h 27m 06.14s , +02d 18m 36.9s) | C | 60 | 17.6 | 8461 | 2021-09-11 05:22:59 | MASTER-OAFA | (20h 35m 10.14s , +02d 20m 10.6s) | C | 60 | 18.0 | 8541 | 2021-09-11 05:24:19 | MASTER-OAFA | (20h 25m 29.68s , +00d 25m 32.8s) | C | 60 | 18.4 | 8620 | 2021-09-11 05:25:38 | MASTER-OAFA | (20h 33m 30.10s , +00d 26m 22.0s) | C | 60 | 18.2 | 8700 | 2021-09-11 05:26:58 | MASTER-OAFA | (20h 11m 56.08s , +02d 19m 46.6s) | C | 60 | 17.6 | 8779 | 2021-09-11 05:28:17 | MASTER-OAFA | (20h 19m 49.33s , +02d 18m 35.9s) | C | 60 | 18.1 | 8861 | 2021-09-11 05:29:39 | MASTER-OAFA | (20h 31m 34.58s , +09d 56m 07.2s) | C | 60 | 17.8 | 8945 | 2021-09-11 05:31:02 | MASTER-OAFA | (20h 39m 43.21s , +09d 54m 04.1s) | C | 60 | 18.1 | 9024 | 2021-09-11 05:32:22 | MASTER-OAFA | (20h 19m 00.03s , +06d 08m 13.6s) | C | 60 | 17.3 | 9106 | 2021-09-11 05:33:44 | MASTER-OAFA | (20h 26m 57.97s , +06d 07m 21.0s) | C | 60 | 17.6 | 9225 | 2021-09-11 05:35:58 | MASTER-OAFA | (19h 29m 27.70s , +12d 47m 25.6s) | C | 30 | 15.1 | 9280 | 2021-09-11 05:36:48 | MASTER-OAFA | (19h 29m 21.22s , +12d 46m 29.5s) | C | 40 | 15.3 | 9350 | 2021-09-11 05:37:48 | MASTER-OAFA | (19h 29m 27.35s , +12d 46m 58.3s) | C | 60 | 15.5 | 9434 | 2021-09-11 05:39:07 | MASTER-OAFA | (19h 29m 23.11s , +12d 48m 31.7s) | C | 70 | 15.8 | 9519 | 2021-09-11 05:40:37 | MASTER-OAFA | (20h 10m 19.75s , +01d 48m 00.6s) | C | 60 | 17.5 | 9598 | 2021-09-11 05:41:56 | MASTER-OAFA | (20h 18m 22.90s , +01d 49m 35.8s) | C | 60 | 17.9 | 9678 | 2021-09-11 05:43:15 | MASTER-OAFA | (20h 27m 00.99s , +03d 42m 29.5s) | C | 60 | 17.9 | 9757 | 2021-09-11 05:44:35 | MASTER-OAFA | (20h 35m 02.70s , +03d 43m 19.9s) | C | 60 | 18.2 | 9836 | 2021-09-11 05:45:54 | MASTER-OAFA | (20h 25m 34.77s , +01d 48m 31.1s) | C | 60 | 18.1 | 10552 | 2021-09-11 05:57:50 | MASTER-OAFA | (19h 34m 10.03s , -00d 04m 32.1s) | C | 60 | 16.5 | 11829 | 2021-09-11 06:19:06 | MASTER-OAFA | (20h 32m 35.40s , +09d 23m 32.9s) | C | 60 | 17.4 | 11908 | 2021-09-11 06:20:26 | MASTER-OAFA | (20h 24m 27.65s , +13d 13m 39.2s) | C | 60 | 17.0 | 11988 | 2021-09-11 06:21:45 | MASTER-OAFA | (20h 32m 33.05s , +13d 12m 34.9s) | C | 60 | 17.5 | 12274 | 2021-09-11 06:26:32 | MASTER-OAFA | (20h 29m 59.28s , +05d 35m 18.7s) | C | 60 | 17.6 | 12354 | 2021-09-11 06:27:52 | MASTER-OAFA | (20h 37m 58.19s , +05d 36m 54.3s) | C | 60 | 18.0 | 12433 | 2021-09-11 06:29:11 | MASTER-OAFA | (20h 39m 49.60s , +09d 24m 11.2s) | C | 60 | 17.7 | 12513 | 2021-09-11 06:30:31 | MASTER-OAFA | (20h 47m 56.12s , +09d 25m 02.9s) | C | 60 | 17.8 | 12598 | 2021-09-11 06:31:56 | MASTER-OAFA | (20h 34m 09.04s , +07d 29m 15.4s) | C | 60 | 17.6 | 12678 | 2021-09-11 06:33:16 | MASTER-OAFA | (20h 42m 19.66s , +07d 29m 29.1s) | C | 60 | 17.7 | 12758 | 2021-09-11 06:34:35 | MASTER-OAFA | (20h 32m 34.57s , +09d 23m 29.8s) | C | 60 | 17.2 | 13244 | 2021-09-11 06:42:42 | MASTER-OAFA | (20h 29m 51.88s , +05d 35m 12.5s) | C | 60 | 17.3 | 13324 | 2021-09-11 06:44:02 | MASTER-OAFA | (20h 37m 59.48s , +05d 35m 04.8s) | C | 60 | 17.6 | 13403 | 2021-09-11 06:45:21 | MASTER-OAFA | (20h 39m 51.87s , +09d 24m 49.8s) | C | 60 | 17.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.