TITLE: GCN CIRCULAR NUMBER: 26680 SUBJECT: Fermi trigger No 600227156: Global MASTER-Net observations report DATE: 20/01/09 02:15:19 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-Kislovodsk robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Lomonosov MSU, Kislovodsk Solar Station of Pulkovo observatory) started inspect of the Fermi GRB200109.07 (trigger No 600227156,20h 06m 04.08s , +55d 12m 00.0s, R=23.3) errorbox 44 sec after notice time and 94 sec after trigger time at 2020-01-09 01:47:26 UT, with upper limit up to 18.1 mag. The observations began at zenith distance = 75 deg. The sun altitude is -31.2 deg. The galactic latitude b = 12 deg., longitude l = 90 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1254865 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 100 | 2020-01-09 01:47:26 | MASTER-Kislovodsk | (20h 28m 40.37s , +53d 02m 45.1s) | P- | 10 | 16.3 | 100 | 2020-01-09 01:47:26 | MASTER-Kislovodsk | (20h 28m 33.68s , +52d 35m 07.9s) | P| | 10 | 16.1 | 130 | 2020-01-09 01:47:52 | MASTER-Kislovodsk | (20h 28m 36.13s , +53d 03m 42.7s) | P- | 20 | 16.7 | 130 | 2020-01-09 01:47:52 | MASTER-Kislovodsk | (20h 28m 29.41s , +52d 36m 02.8s) | P| | 20 | 16.6 | 157 | 2020-01-09 01:48:18 | MASTER-Kislovodsk | (20h 28m 42.27s , +53d 02m 39.7s) | P- | 20 | 16.6 | 157 | 2020-01-09 01:48:18 | MASTER-Kislovodsk | (20h 28m 35.52s , +52d 34m 58.4s) | P| | 20 | 16.6 | 188 | 2020-01-09 01:48:45 | MASTER-Kislovodsk | (20h 28m 29.44s , +52d 33m 55.9s) | P| | 30 | 16.8 | 233 | 2020-01-09 01:48:45 | MASTER-Kislovodsk | (20h 28m 29.44s , +52d 33m 55.9s) | P| | 120 | 17.4 | Coadd 230 | 2020-01-09 01:49:21 | MASTER-Kislovodsk | (20h 28m 36.68s , +52d 34m 17.6s) | P| | 40 | 16.8 | 281 | 2020-01-09 01:50:08 | MASTER-Kislovodsk | (20h 28m 40.72s , +53d 03m 21.7s) | P- | 50 | 17.1 | 346 | 2020-01-09 01:50:08 | MASTER-Kislovodsk | (20h 28m 40.72s , +53d 03m 21.6s) | P- | 180 | 17.9 | Coadd 281 | 2020-01-09 01:50:08 | MASTER-Kislovodsk | (20h 28m 33.91s , +52d 35m 37.3s) | P| | 50 | 16.9 | 343 | 2020-01-09 01:51:04 | MASTER-Kislovodsk | (20h 28m 40.83s , +53d 01m 46.9s) | P- | 60 | 17.2 | 343 | 2020-01-09 01:51:04 | MASTER-Kislovodsk | (20h 28m 33.95s , +52d 34m 01.7s) | P| | 60 | 17.0 | 423 | 2020-01-09 01:51:04 | MASTER-Kislovodsk | (20h 28m 33.96s , +52d 34m 01.8s) | P| | 220 | 17.7 | Coadd 414 | 2020-01-09 01:52:11 | MASTER-Kislovodsk | (20h 28m 42.78s , +53d 03m 04.8s) | P- | 70 | 17.4 | 414 | 2020-01-09 01:52:11 | MASTER-Kislovodsk | (20h 28m 35.87s , +52d 35m 18.6s) | P| | 70 | 17.1 | 501 | 2020-01-09 01:53:28 | MASTER-Kislovodsk | (20h 28m 36.79s , +53d 02m 30.7s) | P- | 90 | 17.4 | 621 | 2020-01-09 01:53:28 | MASTER-Kislovodsk | (20h 28m 36.79s , +53d 02m 30.7s) | P- | 330 | 18.1 | Coadd 501 | 2020-01-09 01:53:28 | MASTER-Kislovodsk | (20h 28m 29.86s , +52d 34m 43.4s) | P| | 90 | 17.4 | 608 | 2020-01-09 01:55:04 | MASTER-Kislovodsk | (20h 28m 38.08s , +53d 03m 32.0s) | P- | 110 | 17.5 | 608 | 2020-01-09 01:55:04 | MASTER-Kislovodsk | (20h 28m 31.17s , +52d 35m 44.1s) | P| | 110 | 17.3 | 734 | 2020-01-09 01:57:01 | MASTER-Kislovodsk | (20h 28m 44.22s , +53d 02m 33.2s) | P- | 130 | 17.6 | 735 | 2020-01-09 01:57:01 | MASTER-Kislovodsk | (20h 28m 37.43s , +52d 34m 43.6s) | P| | 130 | 17.4 | 886 | 2020-01-09 01:59:18 | MASTER-Kislovodsk | (20h 28m 38.28s , +53d 01m 36.2s) | P- | 160 | 17.7 | 886 | 2020-01-09 01:59:18 | MASTER-Kislovodsk | (20h 28m 31.62s , +52d 33m 44.1s) | P| | 160 | 17.6 | 1063 | 2020-01-09 02:02:05 | MASTER-Kislovodsk | (20h 28m 44.10s , +53d 01m 46.6s) | P- | 180 | 17.6 | 1063 | 2020-01-09 02:02:05 | MASTER-Kislovodsk | (20h 28m 36.56s , +52d 34m 00.6s) | P| | 180 | 17.6 | 1264 | 2020-01-09 02:05:26 | MASTER-Kislovodsk | (20h 28m 42.77s , +53d 03m 35.4s) | P- | 180 | 17.6 | 1264 | 2020-01-09 02:05:26 | MASTER-Kislovodsk | (20h 28m 35.12s , +52d 35m 48.2s) | P| | 180 | 17.8 | The observation and reduction will continue. 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