[vsnet-grb-info 34779] Fermi trigger No 743219692: Global MASTER-Net observations report

TITLE: GCN CIRCULAR NUMBER: 36919 SUBJECT: Fermi trigger No 743219692: Global MASTER-Net observations report DATE: 24/07/21 20:31:12 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru> V. Lipunov, V.Kornilov, E. Gorbovskoy, K. Zhirkov, N.Tyurina, P.Balanutsa, A.Kuznetsov, V.Senik, D. Vlasenko, G.Antipov, D.Zimnukhov, E.Minkina, A.Chasovnikov, V.Topolev, D.Kuvshinov, D. Cheryasov, Ya.Kechin, Yu.Tselik, A. Sosnovskij (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. Gress, N.M. Budnev, O.Ershova (Irkutsk State University, API), L.Carrasco, J.R.Valdes, V.Chavushyan, V.M.Patino Alvarez, J.Martinez, A.R.Corella, L.H.Rodriguez (INAOE, Guillermo Haro Astrophysics Observatory), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), V. Yurkov, A. Gabovich (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 GRB240721.08 (trigger No 743219692,11h 13m 28.08s , +53d 39m 00.0s, R=50) errorbox 39767 sec after notice time and 39807 sec after trigger time at 2024-07-21 12:58:14 UT, with upper limit up to 17.5 mag. Observations started at twilight. The observations began at zenith distance = 51 deg. The sun altitude is -11.3 deg. MASTER-SAAO robotic telescope located in South Africa (South African Astronomical Observatory) started inspect of the Fermi GRB240721.08 errorbox 54458 sec after notice time and 54498 sec after trigger time at 2024-07-21 17:03:06 UT, with upper limit up to 18.5 mag. Observations started at twilight. The observations began at zenith distance = 56 deg. The sun altitude is -14.3 deg. MASTER-Tavrida robotic telescope located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Fermi GRB240721.08 errorbox 59480 sec after notice time and 59521 sec after trigger time at 2024-07-21 18:26:48 UT, with upper limit up to 17.7 mag. Observations started at twilight. The observations began at zenith distance = 54 deg. The sun altitude is -10.8 deg. The galactic latitude b = 58 deg., longitude l = 150 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=2536605 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 39837 | 2024-07-21 12:58:14 | MASTER-Amur | (11h 22m 06.11s , +56d 16m 26.6s) | C | 60 | 16.3 | 39917 | 2024-07-21 12:59:34 | MASTER-Amur | (11h 36m 28.86s , +56d 16m 48.3s) | C | 60 | 16.4 | 39997 | 2024-07-21 13:00:54 | MASTER-Amur | (11h 29m 25.50s , +58d 09m 07.4s) | C | 60 | 16.3 | 40077 | 2024-07-21 13:02:14 | MASTER-Amur | (11h 44m 38.29s , +58d 08m 46.8s) | C | 60 | 16.6 | 40156 | 2024-07-21 13:03:33 | MASTER-Amur | (11h 22m 11.40s , +56d 17m 36.5s) | C | 60 | 16.2 | 40237 | 2024-07-21 13:04:54 | MASTER-Amur | (11h 36m 31.87s , +56d 15m 15.4s) | C | 60 | 16.4 | 40317 | 2024-07-21 13:06:14 | MASTER-Amur | (11h 29m 33.28s , +58d 10m 53.3s) | C | 60 | 16.3 | 40396 | 2024-07-21 13:07:33 | MASTER-Amur | (11h 44m 34.26s , +58d 09m 41.3s) | C | 60 | 16.6 | 40476 | 2024-07-21 13:08:53 | MASTER-Amur | (11h 22m 09.25s , +56d 17m 50.4s) | C | 60 | 16.5 | 40556 | 2024-07-21 13:10:13 | MASTER-Amur | (11h 36m 37.08s , +56d 16m 12.6s) | C | 60 | 16.3 | 40636 | 2024-07-21 13:11:32 | MASTER-Amur | (11h 29m 29.24s , +58d 09m 33.1s) | C | 60 | 16.2 | 40715 | 2024-07-21 13:12:52 | MASTER-Amur | (11h 44m 43.46s , +58d 09m 13.3s) | C | 60 | 16.6 | 40795 | 2024-07-21 13:14:12 | MASTER-Amur | (11h 08m 12.02s , +60d 04m 58.0s) | C | 60 | 16.4 | 41353 | 2024-07-21 13:23:30 | MASTER-Amur | (11h 24m 14.46s , +60d 06m 11.8s) | C | 60 | 16.4 | 41433 | 2024-07-21 13:24:50 | MASTER-Amur | (11h 08m 17.45s , +60d 05m 42.6s) | C | 60 | 16.4 | 41544 | 2024-07-21 13:26:41 | MASTER-Amur | (11h 00m 55.68s , +58d 12m 58.9s) | C | 60 | 16.3 | 41624 | 2024-07-21 13:28:01 | MASTER-Amur | (11h 16m 02.83s , +58d 13m 11.4s) | C | 60 | 16.2 | 41703 | 2024-07-21 13:29:20 | MASTER-Amur | (11h 24m 19.89s , +60d 05m 45.5s) | C | 60 | 16.2 | 41783 | 2024-07-21 13:30:40 | MASTER-Amur | (11h 08m 17.41s , +60d 05m 44.9s) | C | 60 | 16.5 | 45426 | 2024-07-21 14:31:23 | MASTER-Amur | (11h 16m 27.39s , +58d 15m 12.4s) | C | 60 | 16.6 | 45506 | 2024-07-21 14:32:43 | MASTER-Amur | (11h 24m 43.28s , +60d 10m 12.5s) | C | 60 | 16.4 | 45585 | 2024-07-21 14:34:02 | MASTER-Amur | (11h 01m 18.19s , +58d 17m 07.8s) | C | 60 | 16.4 | 45665 | 2024-07-21 14:35:22 | MASTER-Amur | (10h 08m 20.91s , +69d 45m 42.8s) | C | 60 | 16.8 | 45745 | 2024-07-21 14:36:41 | MASTER-Amur | (10h 31m 07.86s , +69d 42m 07.8s) | C | 60 | 16.7 | 46063 | 2024-07-21 14:42:00 | MASTER-Amur | (11h 16m 34.84s , +58d 17m 25.1s) | C | 60 | 16.3 | 46142 | 2024-07-21 14:43:19 | MASTER-Amur | (10h 08m 17.41s , +69d 46m 22.1s) | C | 60 | 16.7 | 46222 | 2024-07-21 14:44:39 | MASTER-Amur | (10h 31m 10.80s , +69d 44m 47.2s) | C | 60 | 16.7 | 46302 | 2024-07-21 14:45:59 | MASTER-Amur | (10h 20m 21.64s , +71d 37m 38.0s) | C | 60 | 16.6 | 46389 | 2024-07-21 14:47:25 | MASTER-Amur | (10h 45m 36.09s , +71d 36m 06.2s) | C | 60 | 16.9 | 46946 | 2024-07-21 14:56:43 | MASTER-Amur | (10h 08m 17.32s , +69d 45m 17.5s) | C | 60 | 16.8 | 47026 | 2024-07-21 14:58:02 | MASTER-Amur | (10h 31m 19.56s , +69d 44m 02.0s) | C | 60 | 16.9 | 47105 | 2024-07-21 14:59:22 | MASTER-Amur | (10h 20m 28.97s , +71d 40m 05.9s) | C | 60 | 16.7 | 47185 | 2024-07-21 15:00:42 | MASTER-Amur | (10h 45m 37.24s , +71d 37m 12.1s) | C | 60 | 16.9 | 47275 | 2024-07-21 15:02:12 | MASTER-Amur | (09h 42m 44.59s , +73d 36m 28.3s) | C | 60 | 16.7 | 47356 | 2024-07-21 15:03:33 | MASTER-Amur | (10h 10m 47.44s , +73d 35m 30.2s) | C | 60 | 16.9 | 47436 | 2024-07-21 15:04:53 | MASTER-Amur | (10h 20m 32.81s , +71d 39m 53.8s) | C | 60 | 16.7 | 47516 | 2024-07-21 15:06:13 | MASTER-Amur | (10h 45m 35.64s , +71d 37m 09.3s) | C | 60 | 17.0 | 47596 | 2024-07-21 15:07:33 | MASTER-Amur | (09h 42m 50.37s , +73d 36m 17.9s) | C | 60 | 16.7 | 47677 | 2024-07-21 15:08:54 | MASTER-Amur | (10h 10m 51.77s , +73d 35m 30.2s) | C | 60 | 16.9 | 47757 | 2024-07-21 15:10:14 | MASTER-Amur | (08h 49m 29.36s , +73d 41m 39.8s) | C | 60 | 16.9 | 48323 | 2024-07-21 15:19:40 | MASTER-Amur | (09h 17m 30.94s , +73d 38m 59.8s) | C | 60 | 16.9 | 48402 | 2024-07-21 15:20:59 | MASTER-Amur | (09h 42m 51.92s , +73d 38m 27.2s) | C | 60 | 16.7 | 48482 | 2024-07-21 15:22:19 | MASTER-Amur | (10h 10m 47.96s , +73d 35m 54.2s) | C | 60 | 17.0 | 48564 | 2024-07-21 15:23:41 | MASTER-Amur | (08h 49m 19.18s , +73d 42m 43.1s) | C | 60 | 16.9 | 48644 | 2024-07-21 15:25:00 | MASTER-Amur | (09h 17m 33.95s , +73d 39m 54.3s) | C | 60 | 16.8 | 48723 | 2024-07-21 15:26:20 | MASTER-Amur | (07h 55m 44.70s , +73d 44m 39.1s) | C | 60 | 16.9 | 48804 | 2024-07-21 15:27:41 | MASTER-Amur | (08h 23m 57.11s , +73d 44m 27.9s) | C | 60 | 16.9 | 48883 | 2024-07-21 15:29:00 | MASTER-Amur | (08h 49m 18.18s , +73d 41m 32.5s) | C | 60 | 16.9 | 49062 | 2024-07-21 15:31:59 | MASTER-Amur | (09h 17m 27.97s , +73d 40m 29.2s) | C | 60 | 16.9 | 49144 | 2024-07-21 15:33:20 | MASTER-Amur | (07h 42m 24.18s , +73d 27m 25.1s) | C | 60 | 17.2 | 49466 | 2024-07-21 15:38:43 | MASTER-Amur | (08h 23m 50.64s , +73d 45m 01.7s) | C | 60 | 17.0 | 49548 | 2024-07-21 15:40:05 | MASTER-Amur | (07h 42m 22.24s , +73d 25m 57.0s) | C | 60 | 17.2 | 49628 | 2024-07-21 15:41:24 | MASTER-Amur | (06h 48m 28.59s , +73d 29m 00.5s) | C | 60 | 17.3 | 49707 | 2024-07-21 15:42:44 | MASTER-Amur | (07h 16m 47.17s , +73d 28m 53.0s) | C | 60 | 17.2 | 49787 | 2024-07-21 15:44:04 | MASTER-Amur | (08h 23m 55.00s , +73d 44m 41.3s) | C | 60 | 16.9 | 49868 | 2024-07-21 15:45:24 | MASTER-Amur | (05h 21m 32.23s , +65d 54m 44.1s) | C | 60 | 17.2 | 49947 | 2024-07-21 15:46:44 | MASTER-Amur | (05h 41m 12.73s , +65d 56m 22.0s) | C | 60 | 17.1 | 50425 | 2024-07-21 15:54:42 | MASTER-Amur | (06h 48m 25.43s , +73d 28m 44.3s) | C | 60 | 17.3 | 50505 | 2024-07-21 15:56:02 | MASTER-Amur | (07h 16m 42.44s , +73d 29m 13.2s) | C | 60 | 17.3 | 50599 | 2024-07-21 15:57:36 | MASTER-Amur | (05h 21m 25.41s , +65d 55m 12.0s) | C | 60 | 17.4 | 50679 | 2024-07-21 15:58:56 | MASTER-Amur | (05h 41m 10.69s , +65d 56m 22.0s) | C | 60 | 17.1 | 50758 | 2024-07-21 16:00:15 | MASTER-Amur | (06h 48m 15.56s , +73d 29m 37.3s) | C | 60 | 17.2 | 50840 | 2024-07-21 16:01:37 | MASTER-Amur | (07h 16m 36.06s , +73d 29m 39.3s) | C | 60 | 17.2 | 50920 | 2024-07-21 16:02:56 | MASTER-Amur | (05h 21m 26.02s , +65d 55m 43.5s) | C | 60 | 17.4 | 51040 | 2024-07-21 16:04:57 | MASTER-Amur | (05h 41m 03.34s , +65d 54m 34.8s) | C | 60 | 17.2 | 51201 | 2024-07-21 16:07:38 | MASTER-Amur | (11h 08m 28.61s , +71d 42m 01.2s) | C | 60 | 17.3 | 51281 | 2024-07-21 16:08:57 | MASTER-Amur | (11h 33m 40.52s , +71d 38m 25.8s) | C | 60 | 17.1 | 51360 | 2024-07-21 16:10:17 | MASTER-Amur | (10h 36m 02.43s , +73d 37m 33.5s) | C | 60 | 17.4 | 51440 | 2024-07-21 16:11:37 | MASTER-Amur | (11h 04m 06.36s , +73d 36m 34.0s) | C | 60 | 17.5 | 54529 | 2024-07-21 17:03:06 | MASTER-SAAO | (11h 20m 15.24s , +03d 06m 55.9s) | C | 60 | 18.2 | 54608 | 2024-07-21 17:04:25 | MASTER-SAAO | (11h 28m 20.95s , +03d 06m 44.3s) | C | 60 | 18.2 | 54846 | 2024-07-21 17:08:23 | MASTER-SAAO | (11h 20m 16.94s , +03d 05m 47.0s) | C | 60 | 18.5 | 55085 | 2024-07-21 17:12:22 | MASTER-SAAO | (11h 28m 18.67s , +03d 07m 27.0s) | C | 60 | 18.4 | 55404 | 2024-07-21 17:17:41 | MASTER-SAAO | (11h 20m 12.96s , +03d 07m 30.5s) | C | 60 | 18.5 | 55483 | 2024-07-21 17:19:00 | MASTER-SAAO | (11h 28m 16.57s , +03d 07m 44.4s) | C | 60 | 18.4 | 59551 | 2024-07-21 18:26:48 | MASTER-Tavrida | (00h 22m 53.71s , +73d 51m 21.2s) | C | 60 | 16.6 | 59959 | 2024-07-21 18:33:36 | MASTER-Amur | (11h 07m 51.97s , +71d 51m 28.0s) | C | 60 | 15.8 | 60039 | 2024-07-21 18:34:56 | MASTER-Amur | (11h 33m 11.79s , +71d 49m 14.3s) | C | 60 | 15.3 | 60963 | 2024-07-21 18:50:20 | MASTER-Tavrida | (00h 22m 45.00s , +73d 51m 54.4s) | C | 60 | 17.4 | 61038 | 2024-07-21 18:51:35 | MASTER-Tavrida | (00h 51m 47.57s , +73d 47m 10.2s) | C | 60 | 17.4 | 61038 | 2024-07-21 18:51:35 | MASTER-Tavrida | (00h 51m 24.84s , +73d 51m 38.5s) | C | 60 | 17.5 | 62759 | 2024-07-21 19:20:16 | MASTER-Tavrida | (00h 22m 27.02s , +73d 52m 36.5s) | C | 60 | 17.5 | 63043 | 2024-07-21 19:25:00 | MASTER-Tavrida | (00h 51m 21.64s , +73d 47m 54.4s) | C | 60 | 17.6 | 63043 | 2024-07-21 19:25:00 | MASTER-Tavrida | (00h 51m 01.10s , +73d 52m 24.0s) | C | 60 | 17.6 | 64443 | 2024-07-21 19:48:20 | MASTER-Tavrida | (00h 51m 13.66s , +73d 47m 18.0s) | C | 60 | 17.6 | 64443 | 2024-07-21 19:48:20 | MASTER-Tavrida | (00h 50m 55.48s , +73d 51m 47.2s) | C | 60 | 17.7 | 65792 | 2024-07-21 20:10:48 | MASTER-Tavrida | (23h 43m 45.82s , +75d 08m 25.6s) | C | 60 | 17.7 | 65792 | 2024-07-21 20:10:49 | MASTER-Tavrida | (23h 43m 26.91s , +75d 12m 22.7s) | C | 60 | 17.7 | 65865 | 2024-07-21 20:12:02 | MASTER-Tavrida | (00h 24m 13.57s , +75d 08m 20.7s) | C | 60 | 17.6 | 65865 | 2024-07-21 20:12:02 | MASTER-Tavrida | (00h 23m 53.27s , +75d 12m 18.3s) | C | 60 | 17.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited. View this GCN Circular online at https://gcn.nasa.gov/circulars/36919. --- To unsubscribe, open this link in a web browser: https://gcn.nasa.gov/unsubscribe/eyJhbGciOiJIUzI1NiJ9.eyJlbWFpbCI6InZzbmV0LW...