TITLE: GCN CIRCULAR NUMBER: 26626 SUBJECT: Fermi trigger No 599603971: Global MASTER-Net observations report DATE: 20/01/02 00:00:48 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-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 GRB200101.86 (trigger No 599603971,14h 46m 19.92s , -53d 36m 00.0s, R=26.9) errorbox 6989 sec after trigger time at 2020-01-01 22:35:55 UT, with upper limit up to 19.6 mag. The observations began at zenith distance = 63 deg. The sun altitude is -35.0 deg. The galactic latitude b = 5 deg., longitude l = 320 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1246777 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 7079 | 2020-01-01 22:35:55 | MASTER-SAAO | (15h 04m 10.41s , -81d 55m 40.0s) | C | 180 | 18.7 | 7292 | 2020-01-01 22:39:27 | MASTER-SAAO | (15h 04m 07.99s , -81d 56m 34.9s) | C | 180 | 19.1 | 7504 | 2020-01-01 22:43:00 | MASTER-SAAO | (15h 04m 16.11s , -81d 56m 14.9s) | C | 180 | 19.5 | 7718 | 2020-01-01 22:46:34 | MASTER-SAAO | (16h 01m 16.96s , -81d 57m 19.9s) | C | 180 | 19.1 | 7933 | 2020-01-01 22:50:09 | MASTER-SAAO | (15h 04m 15.79s , -81d 56m 06.2s) | C | 180 | 19.6 | 8245 | 2020-01-01 22:55:21 | MASTER-SAAO | (15h 09m 01.57s , -79d 55m 40.3s) | C | 180 | 19.5 | 8868 | 2020-01-01 23:05:44 | MASTER-SAAO | (15h 09m 00.51s , -79d 55m 57.8s) | C | 180 | 19.3 | 9083 | 2020-01-01 23:09:19 | MASTER-SAAO | (15h 54m 48.75s , -79d 56m 37.7s) | C | 180 | 19.1 | 9426 | 2020-01-01 23:16:02 | MASTER-SAAO | (15h 13m 03.91s , -77d 56m 35.1s) | C | 60 | 18.6 | 9521 | 2020-01-01 23:17:37 | MASTER-SAAO | (14h 33m 29.49s , -71d 53m 34.8s) | C | 60 | 17.7 | 9677 | 2020-01-01 23:19:12 | MASTER-SAAO | (15h 54m 48.59s , -79d 57m 51.4s) | C | 180 | 18.4 | 9887 | 2020-01-01 23:22:43 | MASTER-SAAO | (15h 54m 50.71s , -79d 56m 40.8s) | C | 180 | 18.6 | 10098 | 2020-01-01 23:26:14 | MASTER-SAAO | (15h 54m 44.03s , -79d 57m 06.1s) | C | 180 | 18.3 | 10534 | 2020-01-01 23:34:30 | MASTER-SAAO | (15h 13m 11.96s , -77d 55m 45.9s) | C | 60 | 17.3 | 10626 | 2020-01-01 23:36:02 | MASTER-SAAO | (15h 13m 08.93s , -77d 54m 32.7s) | C | 60 | 17.7 | 10716 | 2020-01-01 23:37:32 | MASTER-SAAO | (15h 13m 10.26s , -77d 55m 40.9s) | C | 60 | 17.4 | 10810 | 2020-01-01 23:39:06 | MASTER-SAAO | (15h 51m 26.09s , -77d 56m 14.5s) | C | 60 | 16.7 | 10900 | 2020-01-01 23:40:36 | MASTER-SAAO | (15h 51m 20.76s , -77d 56m 50.1s) | C | 60 | 17.0 | 10991 | 2020-01-01 23:42:06 | MASTER-SAAO | (15h 51m 19.90s , -77d 55m 47.2s) | C | 60 | 16.5 | 11087 | 2020-01-01 23:43:43 | MASTER-SAAO | (14h 33m 36.75s , -71d 53m 47.2s) | C | 60 | 15.5 | 11179 | 2020-01-01 23:45:15 | MASTER-SAAO | (14h 33m 32.03s , -71d 54m 46.5s) | C | 60 | 15.7 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.