TITLE: GCN CIRCULAR NUMBER: 27349 SUBJECT: Fermi trigger No 605309224: Global MASTER-Net observations report DATE: 20/03/08 20:30:22 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-IAC robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Spain (IAC Teide Observatory) started inspect of the Fermi GRB 200307A ( Fermi GBM team, GCN 27344) errorbox 80771 sec after trigger time at 2020-03-08 19:53:10 UT, with upper limit up to 17.1 mag. Observations started at twilight. The observations began at zenith distance = 75 deg. The sun altitude is -10.9 deg. The galactic latitude b = -32 deg., longitude l = 252 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1307366 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 75417 | 2020-03-08 18:23:26 | MASTER- | (03h 15m 36.05s , -54d 03m 58.0s) | C | 60 | 18.1 | 75787 | 2020-03-08 18:29:36 | MASTER- | (03h 15m 40.56s , -54d 02m 21.4s) | C | 60 | 17.9 | 76064 | 2020-03-08 18:34:13 | MASTER- | (03h 25m 48.21s , -56d 02m 36.0s) | C | 60 | 17.6 | 76064 | 2020-03-08 18:34:13 | MASTER- | (03h 12m 53.59s , -56d 04m 03.5s) | C | 60 | 18.2 | 76434 | 2020-03-08 18:40:23 | MASTER- | (03h 25m 44.24s , -56d 03m 18.2s) | C | 60 | 17.5 | 76434 | 2020-03-08 18:40:23 | MASTER- | (03h 12m 49.40s , -56d 04m 42.9s) | C | 60 | 18.2 | 77854 | 2020-03-08 19:04:03 | MASTER- | (03h 37m 13.03s , -58d 02m 10.1s) | C | 60 | 18.2 | 77854 | 2020-03-08 19:04:03 | MASTER- | (03h 23m 36.28s , -58d 03m 36.8s) | C | 60 | 18.2 | 78224 | 2020-03-08 19:10:13 | MASTER- | (03h 37m 09.63s , -58d 02m 56.6s) | C | 60 | 18.2 | 78224 | 2020-03-08 19:10:13 | MASTER- | (03h 23m 32.70s , -58d 04m 21.9s) | C | 60 | 18.2 | 78501 | 2020-03-08 19:14:50 | MASTER- | (03h 42m 48.57s , -54d 01m 20.0s) | C | 60 | 17.7 | 78501 | 2020-03-08 19:14:50 | MASTER- | (03h 30m 32.77s , -54d 02m 43.6s) | C | 60 | 17.9 | 78778 | 2020-03-08 19:19:27 | MASTER- | (03h 31m 12.53s , -62d 03m 05.4s) | C | 60 | 18.4 | 78871 | 2020-03-08 19:20:59 | MASTER- | (03h 42m 51.44s , -54d 01m 21.9s) | C | 60 | 17.7 | 78871 | 2020-03-08 19:20:59 | MASTER- | (03h 30m 35.65s , -54d 02m 45.5s) | C | 60 | 17.8 | 79148 | 2020-03-08 19:25:37 | MASTER- | (03h 31m 05.18s , -62d 02m 05.3s) | C | 60 | 18.4 | 79426 | 2020-03-08 19:30:15 | MASTER- | (03h 32m 37.36s , -52d 03m 41.9s) | C | 60 | 16.0 | 79426 | 2020-03-08 19:30:15 | MASTER- | (03h 20m 54.29s , -52d 05m 03.6s) | C | 60 | 16.0 | 79796 | 2020-03-08 19:36:25 | MASTER- | (03h 32m 42.52s , -52d 02m 01.5s) | C | 60 | 14.8 | 79796 | 2020-03-08 19:36:25 | MASTER- | (03h 20m 59.66s , -52d 03m 21.9s) | C | 60 | 13.8 | 80537 | 2020-03-08 19:48:45 | MASTER- | (03h 54m 22.18s , -56d 01m 04.6s) | C | 60 | 12.5 | 80801 | 2020-03-08 19:53:10 | MASTER-IAC | (04h 01m 18.77s , -42d 02m 56.1s) | C | 60 | 16.0 | 80801 | 2020-03-08 19:53:10 | MASTER-IAC | (03h 50m 29.24s , -41d 59m 08.7s) | C | 60 | 15.6 | 81035 | 2020-03-08 19:57:04 | MASTER-IAC | (03h 54m 02.04s , -40d 05m 26.5s) | C | 60 | 16.4 | 81035 | 2020-03-08 19:57:04 | MASTER-IAC | (03h 43m 31.17s , -40d 01m 35.4s) | C | 60 | 15.9 | 81152 | 2020-03-08 19:59:01 | MASTER-IAC | (03h 50m 33.11s , -42d 01m 10.6s) | C | 60 | 16.1 | 81152 | 2020-03-08 19:59:01 | MASTER-IAC | (04h 01m 23.43s , -42d 04m 60.0s) | C | 60 | 16.4 | 81391 | 2020-03-08 20:03:00 | MASTER-IAC | (03h 43m 33.08s , -40d 01m 24.5s) | C | 60 | 16.2 | 81391 | 2020-03-08 20:03:00 | MASTER-IAC | (03h 54m 04.42s , -40d 05m 16.0s) | C | 60 | 16.7 | 81512 | 2020-03-08 20:05:01 | MASTER-IAC | (03h 37m 17.78s , -38d 00m 07.6s) | C | 60 | 16.5 | 81512 | 2020-03-08 20:05:01 | MASTER-IAC | (03h 47m 31.50s , -38d 04m 01.6s) | C | 60 | 16.7 | 81634 | 2020-03-08 20:07:02 | MASTER-IAC | (04h 22m 50.91s , -42d 03m 38.7s) | C | 60 | 16.8 | 81634 | 2020-03-08 20:07:02 | MASTER-IAC | (04h 12m 00.42s , -41d 59m 49.2s) | C | 60 | 16.4 | 81755 | 2020-03-08 20:09:03 | MASTER-IAC | (04h 14m 55.21s , -40d 02m 57.5s) | C | 60 | 16.9 | 81755 | 2020-03-08 20:09:03 | MASTER-IAC | (04h 04m 24.10s , -39d 59m 05.6s) | C | 60 | 16.5 | 81757 | 2020-03-08 20:09:06 | MASTER- | (03h 46m 12.22s , -64d 02m 32.7s) | C | 60 | 13.6 | 81874 | 2020-03-08 20:11:03 | MASTER-IAC | (03h 37m 17.77s , -38d 01m 02.0s) | C | 60 | 16.5 | 81874 | 2020-03-08 20:11:03 | MASTER-IAC | (03h 47m 31.88s , -38d 04m 54.6s) | C | 60 | 16.7 | 81995 | 2020-03-08 20:13:04 | MASTER-IAC | (04h 22m 51.35s , -42d 04m 42.6s) | C | 60 | 16.8 | 81995 | 2020-03-08 20:13:04 | MASTER-IAC | (04h 12m 00.31s , -42d 00m 53.2s) | C | 60 | 16.4 | 82112 | 2020-03-08 20:15:01 | MASTER-IAC | (04h 15m 02.11s , -40d 04m 40.1s) | C | 60 | 17.0 | 82112 | 2020-03-08 20:15:01 | MASTER-IAC | (04h 04m 30.27s , -40d 00m 48.2s) | C | 60 | 16.5 | 82231 | 2020-03-08 20:16:59 | MASTER-IAC | (03h 41m 31.47s , -36d 04m 35.2s) | C | 60 | 17.1 | 82348 | 2020-03-08 20:18:56 | MASTER-IAC | (03h 51m 20.42s , -36d 01m 20.8s) | C | 60 | 16.7 | 82348 | 2020-03-08 20:18:56 | MASTER-IAC | (04h 01m 19.25s , -36d 05m 16.8s) | C | 60 | 17.0 | 82584 | 2020-03-08 20:22:53 | MASTER-IAC | (03h 41m 28.39s , -36d 05m 11.9s) | C | 60 | 17.0 | 82702 | 2020-03-08 20:24:51 | MASTER-IAC | (04h 01m 15.40s , -36d 03m 33.4s) | C | 60 | 16.9 | 82702 | 2020-03-08 20:24:51 | MASTER-IAC | (03h 51m 16.27s , -35d 59m 37.4s) | C | 60 | 16.6 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.