TITLE: GCN CIRCULAR NUMBER: 30438 SUBJECT: Fermi trigger No 647624281: Global MASTER-Net observations report DATE: 21/07/10 20:45:18 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-SAAO robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB210710.65 (trigger No 647624281,19h 32m 09.60s , +20d 59m 24.0s, R=5.41) errorbox 9637 sec after notice time and 9668 sec after trigger time at 2021-07-10 18:19:05 UT, with upper limit up to 18.7 mag. The observations began at zenith distance = 78 deg. The sun altitude is -31.1 deg. The galactic latitude b = 1 deg., longitude l = 56 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1657144 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 94 | 2021-07-10 15:39:20 | MASTER- | (19h 34m 44.20s , +21d 30m 22.9s) | C | 20 | 17.8 | 118 | 2021-07-10 15:39:44 | MASTER- | (19h 34m 44.13s , +21d 30m 22.7s) | C | 20 | 17.9 | 118 | 2021-07-10 15:39:44 | MASTER- | (19h 26m 33.93s , +20d 10m 49.2s) | C | 20 | 17.2 | 158 | 2021-07-10 15:40:19 | MASTER- | (19h 34m 44.11s , +21d 30m 22.9s) | C | 30 | 17.8 | 197 | 2021-07-10 15:40:53 | MASTER- | (19h 34m 44.05s , +21d 30m 23.3s) | C | 40 | 18.1 | 241 | 2021-07-10 15:41:37 | MASTER- | (19h 34m 44.03s , +21d 30m 24.1s) | C | 40 | 17.9 | 302 | 2021-07-10 15:42:33 | MASTER- | (19h 34m 44.00s , +21d 30m 24.4s) | C | 50 | 17.9 | 362 | 2021-07-10 15:43:28 | MASTER- | (19h 34m 43.92s , +21d 30m 25.0s) | C | 60 | 18.1 | 362 | 2021-07-10 15:43:28 | MASTER- | (19h 26m 33.57s , +20d 10m 51.3s) | C | 60 | 17.4 | 443 | 2021-07-10 15:44:49 | MASTER- | (19h 20m 32.96s , +19d 23m 31.0s) | C | 60 | 18.0 | 443 | 2021-07-10 15:44:49 | MASTER- | (19h 28m 40.71s , +20d 43m 03.2s) | C | 60 | 17.5 | 512 | 2021-07-10 15:45:58 | MASTER- | (19h 27m 17.52s , +22d 36m 34.5s) | C | 60 | 17.0 | 596 | 2021-07-10 15:47:22 | MASTER- | (19h 43m 43.87s , +22d 36m 52.5s) | C | 60 | 17.3 | 681 | 2021-07-10 15:48:47 | MASTER- | (19h 44m 53.59s , +20d 40m 53.1s) | C | 60 | 17.0 | 752 | 2021-07-10 15:49:58 | MASTER- | (19h 31m 09.69s , +18d 48m 52.3s) | C | 60 | 17.5 | 839 | 2021-07-10 15:51:25 | MASTER- | (19h 27m 20.10s , +24d 29m 40.9s) | C | 60 | 16.8 | 839 | 2021-07-10 15:51:25 | MASTER- | (19h 18m 56.43s , +23d 10m 10.2s) | C | 60 | 16.9 | 923 | 2021-07-10 15:52:49 | MASTER- | (19h 44m 02.46s , +24d 30m 40.9s) | C | 60 | 17.3 | 923 | 2021-07-10 15:52:49 | MASTER- | (19h 35m 39.10s , +23d 11m 10.1s) | C | 60 | 16.7 | 1290 | 2021-07-10 15:58:56 | MASTER- | (19h 47m 07.34s , +18d 46m 42.3s) | C | 60 | 15.6 | 1374 | 2021-07-10 16:00:20 | MASTER- | (19h 28m 37.59s , +20d 43m 15.2s) | C | 60 | 17.5 | 1374 | 2021-07-10 16:00:20 | MASTER- | (19h 20m 28.70s , +19d 23m 44.8s) | C | 60 | 17.9 | 1461 | 2021-07-10 16:01:47 | MASTER- | (19h 27m 20.38s , +22d 36m 00.4s) | C | 60 | 17.0 | 1461 | 2021-07-10 16:01:47 | MASTER- | (19h 19m 04.09s , +21d 16m 30.5s) | C | 60 | 17.5 | 1530 | 2021-07-10 16:02:56 | MASTER- | (19h 43m 48.65s , +22d 36m 32.6s) | C | 60 | 17.3 | 1613 | 2021-07-10 16:04:19 | MASTER- | (19h 44m 46.57s , +20d 41m 52.6s) | C | 60 | 17.1 | 1698 | 2021-07-10 16:05:44 | MASTER- | (19h 31m 06.52s , +18d 49m 23.8s) | C | 60 | 17.5 | 1698 | 2021-07-10 16:05:44 | MASTER- | (19h 23m 03.91s , +17d 29m 54.4s) | C | 60 | 17.9 | 1771 | 2021-07-10 16:06:57 | MASTER- | (19h 27m 22.05s , +24d 30m 42.8s) | C | 60 | 16.8 | 1771 | 2021-07-10 16:06:57 | MASTER- | (19h 18m 57.40s , +23d 11m 14.0s) | C | 60 | 16.8 | 1856 | 2021-07-10 16:08:22 | MASTER- | (19h 43m 54.27s , +24d 29m 02.8s) | C | 60 | 17.3 | 1856 | 2021-07-10 16:08:22 | MASTER- | (19h 35m 30.07s , +23d 09m 34.1s) | C | 60 | 16.6 | 1941 | 2021-07-10 16:09:47 | MASTER- | (19h 34m 56.66s , +16d 53m 27.3s) | C | 60 | 17.0 | 2013 | 2021-07-10 16:10:59 | MASTER- | (19h 28m 36.49s , +26d 25m 31.3s) | C | 60 | 16.7 | 2087 | 2021-07-10 16:12:13 | MASTER- | (19h 12m 24.84s , +20d 42m 15.3s) | C | 60 | 17.8 | 2087 | 2021-07-10 16:12:13 | MASTER- | (19h 04m 14.78s , +19d 22m 47.7s) | C | 60 | 16.8 | 2167 | 2021-07-10 16:13:33 | MASTER- | (19h 15m 09.47s , +18d 49m 34.1s) | C | 60 | 18.0 | 2167 | 2021-07-10 16:13:33 | MASTER- | (19h 07m 05.95s , +17d 30m 06.3s) | C | 60 | 16.4 | 2238 | 2021-07-10 16:14:44 | MASTER- | (19h 47m 05.48s , +18d 48m 47.5s) | C | 60 | 15.9 | 2323 | 2021-07-10 16:16:09 | MASTER- | (19h 28m 39.06s , +20d 42m 34.2s) | C | 60 | 17.8 | 2406 | 2021-07-10 16:17:32 | MASTER- | (19h 27m 15.87s , +22d 35m 42.1s) | C | 60 | 17.1 | 2476 | 2021-07-10 16:18:42 | MASTER- | (19h 43m 48.54s , +22d 35m 09.5s) | C | 60 | 17.4 | 2476 | 2021-07-10 16:18:42 | MASTER- | (19h 35m 31.68s , +21d 15m 45.1s) | C | 60 | 17.5 | 2558 | 2021-07-10 16:20:04 | MASTER- | (19h 44m 48.79s , +20d 42m 37.5s) | C | 60 | 17.3 | 2637 | 2021-07-10 16:21:23 | MASTER- | (19h 31m 08.34s , +18d 47m 31.8s) | C | 60 | 17.6 | 2712 | 2021-07-10 16:22:38 | MASTER- | (19h 27m 21.51s , +24d 31m 31.2s) | C | 60 | 16.8 | 2712 | 2021-07-10 16:22:38 | MASTER- | (19h 18m 55.84s , +23d 12m 05.7s) | C | 60 | 16.9 | 2795 | 2021-07-10 16:24:01 | MASTER- | (19h 43m 53.81s , +24d 30m 09.6s) | C | 60 | 17.4 | 2795 | 2021-07-10 16:24:01 | MASTER- | (19h 35m 28.47s , +23d 10m 45.0s) | C | 60 | 16.8 | 2880 | 2021-07-10 16:25:26 | MASTER- | (19h 34m 49.99s , +16d 55m 18.7s) | C | 60 | 17.0 | 2951 | 2021-07-10 16:26:37 | MASTER- | (19h 28m 38.63s , +26d 24m 48.8s) | C | 60 | 16.9 | 3038 | 2021-07-10 16:28:04 | MASTER- | (19h 12m 19.93s , +20d 42m 13.3s) | C | 60 | 17.8 | 3038 | 2021-07-10 16:28:04 | MASTER- | (19h 04m 09.12s , +19d 22m 47.2s) | C | 60 | 16.9 | 3123 | 2021-07-10 16:29:29 | MASTER- | (19h 15m 10.05s , +18d 48m 30.9s) | C | 60 | 18.1 | 3123 | 2021-07-10 16:29:29 | MASTER- | (19h 07m 05.84s , +17d 29m 04.1s) | C | 60 | 16.4 | 3194 | 2021-07-10 16:30:40 | MASTER- | (19h 47m 08.68s , +18d 48m 28.5s) | C | 60 | 16.1 | 3276 | 2021-07-10 16:32:02 | MASTER- | (19h 45m 13.97s , +18d 57m 24.4s) | C | 60 | 12.6 | 3361 | 2021-07-10 16:33:27 | MASTER- | (19h 10m 56.03s , +22d 37m 56.6s) | C | 60 | 17.2 | 3361 | 2021-07-10 16:33:27 | MASTER- | (19h 02m 37.62s , +21d 18m 32.1s) | C | 60 | 17.1 | 3432 | 2021-07-10 16:34:38 | MASTER- | (19h 10m 59.36s , +15d 35m 22.8s) | C | 60 | 16.3 | 3518 | 2021-07-10 16:36:04 | MASTER- | (20h 00m 06.05s , +22d 36m 32.9s) | C | 60 | 16.7 | 3518 | 2021-07-10 16:36:04 | MASTER- | (19h 51m 48.58s , +21d 17m 05.0s) | C | 60 | 16.0 | 3604 | 2021-07-10 16:37:30 | MASTER- | (19h 50m 45.53s , +16d 53m 45.6s) | C | 60 | 16.4 | 3673 | 2021-07-10 16:38:39 | MASTER- | (19h 52m 47.14s , +19d 21m 03.3s) | C | 60 | 15.8 | 3760 | 2021-07-10 16:40:06 | MASTER- | (19h 10m 41.05s , +24d 30m 35.5s) | C | 60 | 17.2 | 3760 | 2021-07-10 16:40:06 | MASTER- | (19h 02m 14.55s , +23d 11m 06.5s) | C | 60 | 16.8 | 3846 | 2021-07-10 16:41:32 | MASTER- | (19h 34m 51.66s , +16d 55m 11.1s) | C | 60 | 17.0 | 3846 | 2021-07-10 16:41:32 | MASTER- | (19h 26m 53.25s , +15d 35m 45.1s) | C | 60 | 17.1 | 4003 | 2021-07-10 16:44:09 | MASTER- | (19h 12m 25.04s , +20d 43m 45.0s) | C | 60 | 17.8 | 4003 | 2021-07-10 16:44:09 | MASTER- | (19h 04m 13.60s , +19d 24m 20.9s) | C | 60 | 16.8 | 4086 | 2021-07-10 16:45:32 | MASTER- | (19h 15m 02.25s , +18d 49m 03.8s) | C | 60 | 18.0 | 4086 | 2021-07-10 16:45:32 | MASTER- | (19h 06m 57.46s , +17d 29m 38.9s) | C | 60 | 16.3 | 4157 | 2021-07-10 16:46:43 | MASTER- | (19h 39m 46.61s , +15d 01m 06.4s) | C | 60 | 16.6 | 4244 | 2021-07-10 16:48:10 | MASTER- | (19h 45m 31.64s , +26d 24m 15.1s) | C | 60 | 17.2 | 4326 | 2021-07-10 16:49:32 | MASTER- | (19h 10m 49.00s , +22d 36m 16.7s) | C | 60 | 17.1 | 4326 | 2021-07-10 16:49:32 | MASTER- | (19h 02m 30.35s , +21d 16m 52.6s) | C | 60 | 17.0 | 4397 | 2021-07-10 16:50:43 | MASTER- | (19h 19m 02.27s , +16d 54m 01.5s) | C | 60 | 17.9 | 4397 | 2021-07-10 16:50:43 | MASTER- | (19h 11m 03.42s , +15d 34m 31.7s) | C | 60 | 16.3 | 4483 | 2021-07-10 16:52:09 | MASTER- | (20h 00m 07.11s , +22d 36m 12.3s) | C | 60 | 16.6 | 4483 | 2021-07-10 16:52:09 | MASTER- | (19h 51m 49.04s , +21d 16m 45.3s) | C | 60 | 16.1 | 4566 | 2021-07-10 16:53:32 | MASTER- | (19h 50m 42.05s , +16d 52m 54.6s) | C | 60 | 16.4 | 4636 | 2021-07-10 16:54:42 | MASTER- | (20h 01m 01.71s , +20d 42m 13.5s) | C | 60 | 16.8 | 4636 | 2021-07-10 16:54:42 | MASTER- | (19h 52m 50.79s , +19d 22m 49.8s) | C | 60 | 15.9 | 4721 | 2021-07-10 16:56:07 | MASTER- | (19h 02m 05.57s , +23d 11m 56.5s) | C | 60 | 15.5 | 4721 | 2021-07-10 16:56:07 | MASTER- | (19h 10m 32.46s , +24d 31m 20.8s) | C | 60 | 15.9 | 4802 | 2021-07-10 16:57:28 | MASTER- | (19h 52m 03.42s , +23d 11m 21.1s) | C | 60 | 15.7 | 4877 | 2021-07-10 16:58:43 | MASTER- | (19h 31m 12.88s , +28d 18m 48.8s) | C | 60 | 16.2 | 4877 | 2021-07-10 16:58:43 | MASTER- | (19h 22m 27.96s , +26d 59m 32.1s) | C | 60 | 16.4 | 4961 | 2021-07-10 17:00:07 | MASTER- | (19h 24m 02.53s , +14d 59m 35.8s) | C | 60 | 17.6 | 5050 | 2021-07-10 17:01:36 | MASTER- | (19h 11m 41.11s , +26d 24m 41.8s) | C | 60 | 17.1 | 5122 | 2021-07-10 17:02:48 | MASTER- | (19h 39m 47.81s , +15d 00m 44.1s) | C | 60 | 16.7 | 5122 | 2021-07-10 17:02:48 | MASTER- | (19h 31m 54.28s , +13d 41m 21.5s) | C | 60 | 16.8 | 5204 | 2021-07-10 17:04:10 | MASTER- | (19h 45m 26.59s , +26d 23m 23.5s) | C | 60 | 17.4 | 5286 | 2021-07-10 17:05:32 | MASTER- | (19h 10m 53.93s , +22d 38m 09.2s) | C | 60 | 17.2 | 5286 | 2021-07-10 17:05:32 | MASTER- | (19h 02m 34.85s , +21d 18m 48.9s) | C | 60 | 17.2 | 5360 | 2021-07-10 17:06:46 | MASTER- | (19h 18m 56.65s , +16d 54m 48.0s) | C | 60 | 17.9 | 5360 | 2021-07-10 17:06:46 | MASTER- | (19h 10m 57.46s , +15d 35m 25.7s) | C | 60 | 16.4 | 5444 | 2021-07-10 17:08:10 | MASTER- | (20h 00m 03.45s , +22d 36m 41.0s) | C | 60 | 16.5 | 5444 | 2021-07-10 17:08:10 | MASTER- | (19h 51m 44.86s , +21d 17m 21.7s) | C | 60 | 16.0 | 5525 | 2021-07-10 17:09:31 | MASTER- | (19h 50m 44.04s , +16d 53m 49.4s) | C | 60 | 16.2 | 5525 | 2021-07-10 17:09:31 | MASTER- | (19h 42m 45.05s , +15d 34m 27.3s) | C | 60 | 16.1 | 5596 | 2021-07-10 17:10:42 | MASTER- | (20h 00m 55.13s , +20d 40m 36.8s) | C | 60 | 16.1 | 5596 | 2021-07-10 17:10:42 | MASTER- | (19h 52m 43.89s , +19d 21m 15.4s) | C | 60 | 15.1 | 5682 | 2021-07-10 17:12:08 | MASTER- | (19h 10m 38.32s , +24d 30m 43.7s) | C | 60 | 16.4 | 5683 | 2021-07-10 17:12:09 | MASTER- | (19h 02m 11.22s , +23d 11m 22.3s) | C | 60 | 16.3 | 5767 | 2021-07-10 17:13:33 | MASTER- | (19h 52m 05.36s , +23d 11m 04.5s) | C | 60 | 16.2 | 5842 | 2021-07-10 17:14:48 | MASTER- | (19h 31m 08.71s , +28d 18m 12.4s) | C | 60 | 16.2 | 9699 | 2021-07-10 18:19:05 | MASTER-SAAO | (19h 12m 47.21s , +16d 15m 12.5s) | C | 60 | 13.5 | 10018 | 2021-07-10 18:24:24 | MASTER-SAAO | (19h 05m 58.69s , +20d 03m 54.2s) | C | 60 | 16.2 | 10576 | 2021-07-10 18:33:42 | MASTER-SAAO | (19h 26m 09.77s , +14d 20m 19.7s) | C | 60 | 16.7 | 10656 | 2021-07-10 18:35:02 | MASTER-SAAO | (19h 08m 46.93s , +18d 10m 17.6s) | C | 60 | 17.6 | 10736 | 2021-07-10 18:36:22 | MASTER-SAAO | (19h 17m 07.44s , +18d 09m 03.7s) | C | 60 | 17.7 | 10815 | 2021-07-10 18:37:41 | MASTER-SAAO | (19h 12m 41.09s , +16d 16m 13.5s) | C | 60 | 17.4 | 10895 | 2021-07-10 18:39:01 | MASTER-SAAO | (19h 21m 07.81s , +16d 14m 58.9s) | C | 60 | 17.5 | 11134 | 2021-07-10 18:43:00 | MASTER-SAAO | (19h 05m 56.28s , +20d 04m 17.4s) | C | 60 | 18.0 | 11214 | 2021-07-10 18:44:20 | MASTER-SAAO | (19h 14m 27.51s , +20d 02m 11.6s) | C | 60 | 18.1 | 11692 | 2021-07-10 18:52:18 | MASTER-SAAO | (19h 26m 12.66s , +14d 20m 10.4s) | C | 60 | 18.1 | 11772 | 2021-07-10 18:53:38 | MASTER-SAAO | (19h 08m 44.68s , +18d 10m 13.9s) | C | 60 | 18.2 | 11852 | 2021-07-10 18:54:58 | MASTER-SAAO | (19h 17m 09.89s , +18d 08m 03.6s) | C | 60 | 18.6 | 11931 | 2021-07-10 18:56:17 | MASTER-SAAO | (19h 12m 48.06s , +16d 15m 52.9s) | C | 60 | 17.9 | 12011 | 2021-07-10 18:57:37 | MASTER-SAAO | (19h 21m 01.82s , +16d 14m 55.2s) | C | 60 | 18.2 | 12090 | 2021-07-10 18:58:56 | MASTER-SAAO | (19h 05m 54.12s , +20d 04m 19.5s) | C | 60 | 18.4 | 12170 | 2021-07-10 19:00:16 | MASTER-SAAO | (19h 14m 31.12s , +20d 03m 04.2s) | C | 60 | 18.5 | 12253 | 2021-07-10 19:01:39 | MASTER-SAAO | (19h 22m 10.58s , +20d 02m 03.1s) | C | 60 | 18.7 | 12333 | 2021-07-10 19:02:59 | MASTER-SAAO | (19h 30m 39.34s , +20d 03m 23.0s) | C | 60 | 18.0 | 12413 | 2021-07-10 19:04:19 | MASTER-SAAO | (19h 20m 47.42s , +21d 57m 41.6s) | C | 60 | 18.0 | 12493 | 2021-07-10 19:05:39 | MASTER-SAAO | (19h 29m 19.65s , +21d 56m 37.5s) | C | 60 | 17.8 | 12572 | 2021-07-10 19:06:58 | MASTER-SAAO | (19h 37m 11.97s , +21d 56m 24.1s) | C | 60 | 17.7 | 12652 | 2021-07-10 19:08:18 | MASTER-SAAO | (19h 45m 42.63s , +21d 55m 08.0s) | C | 60 | 15.4 | 12732 | 2021-07-10 19:09:38 | MASTER-SAAO | (19h 38m 19.28s , +20d 03m 21.5s) | C | 60 | 17.9 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.