TITLE: GCN CIRCULAR NUMBER: 26300 SUBJECT: Baksan Neutrino Observatory Alert 191128.17: Global MASTER-Net observations report DATE: 19/11/28 11:21:14 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V. Lipunov, E. Gorbovskoy, N.Tyurina, V.Kornilov, P.Balanutsa, I.Gorbunov, D.Vlasenko, V.Vladimirov, A.Kuznetsov, A. Chasovnikov, V.Topolev, D.Kuvshinov, F.Balakin, V.A. Senik (Lomonosov Moscow State University, SAI, Physics Department), V.B. Petkov, M.M. Boliev, A.N. Kurenya, (Baksan Neutrino Observatory, Institute for Nuclear Research of RAS, Moscow, Russia), R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres (The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), N.M. Budnev, O. Gress, O.Ershova (Applied Physics Institute, Irkutsk State University), V. Yurkov, A. Gabovich, Yu. Sergienko, D. Kobcev (Blagoveschensk Educational State University), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), R. Podesta, C. Lopez, C.Francile, F. Podesta (Observatorio Astronomico Felix Aguilar OAFA, San Juan National University), H.Levato (Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE SJNU) MASTER-Tunka robotic telescope (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the Baksan Neutrino Observatory Alert 191128.17 (trigger No 1625630554,21h 56m 48.00s , +20d 54m 00.0s, R=3) errorbox 23374 sec after trigger time at 2019-11-28 10:32:07 UT, with upper limit up to 19.0 mag. Observations started at twilight. The observations began at zenith distance = 31 deg. The sun altitude is -12.9 deg. The galactic latitude b = -26 deg., longitude l = 78 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1210328 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 23404 | 2019-11-28 10:32:07 | MASTER-Tunka | (21h 46m 02.66s , +19d 49m 44.4s) | C | 60 | 18.1 | 23495 | 2019-11-28 10:33:38 | MASTER-Tunka | (21h 46m 24.04s , +21d 48m 43.0s) | C | 60 | 18.3 | 23587 | 2019-11-28 10:35:10 | MASTER-Tunka | (22h 03m 00.09s , +19d 48m 49.4s) | C | 60 | 18.9 | 23677 | 2019-11-28 10:36:40 | MASTER-Tunka | (22h 03m 34.64s , +21d 49m 19.7s) | C | 60 | 18.9 | 23768 | 2019-11-28 10:38:11 | MASTER-Tunka | (21h 45m 54.62s , +19d 50m 42.8s) | C | 60 | 18.1 | 23860 | 2019-11-28 10:39:43 | MASTER-Tunka | (21h 54m 32.98s , +19d 49m 34.0s) | C | 60 | 18.8 | 23955 | 2019-11-28 10:41:18 | MASTER-Tunka | (21h 46m 19.26s , +21d 48m 42.8s) | C | 60 | 18.4 | 24044 | 2019-11-28 10:42:47 | MASTER-Tunka | (21h 55m 02.30s , +21d 48m 46.3s) | C | 60 | 19.0 | 24135 | 2019-11-28 10:44:18 | MASTER-Tunka | (22h 03m 00.04s , +19d 50m 24.0s) | C | 60 | 19.0 | 24225 | 2019-11-28 10:45:48 | MASTER-Tunka | (22h 11m 30.79s , +19d 48m 32.0s) | C | 60 | 19.0 | 24315 | 2019-11-28 10:47:18 | MASTER-Tunka | (22h 03m 39.39s , +21d 50m 06.1s) | C | 60 | 19.0 | 24407 | 2019-11-28 10:48:50 | MASTER-Tunka | (22h 12m 10.90s , +21d 49m 12.6s) | C | 60 | 19.0 | 24498 | 2019-11-28 10:50:21 | MASTER-Tunka | (21h 54m 26.22s , +19d 50m 36.3s) | C | 60 | 18.8 | 24591 | 2019-11-28 10:51:54 | MASTER-Tunka | (21h 55m 01.32s , +21d 49m 34.2s) | C | 60 | 18.8 | 24685 | 2019-11-28 10:53:28 | MASTER-Tunka | (22h 11m 27.08s , +19d 48m 16.9s) | C | 60 | 19.0 | 24776 | 2019-11-28 10:54:59 | MASTER-Tunka | (22h 12m 16.26s , +21d 48m 22.8s) | C | 60 | 18.7 | 24869 | 2019-11-28 10:56:32 | MASTER-Tunka | (21h 48m 20.99s , +23d 48m 48.6s) | C | 60 | 18.9 | 24963 | 2019-11-28 10:58:06 | MASTER-Tunka | (21h 47m 06.40s , +17d 49m 48.0s) | C | 60 | 18.1 | 25054 | 2019-11-28 10:59:37 | MASTER-Tunka | (22h 04m 01.95s , +17d 49m 29.7s) | C | 60 | 18.9 | 25319 | 2019-11-28 11:04:02 | MASTER-Tunka | (21h 57m 09.77s , +23d 48m 55.7s) | C | 60 | 18.9 | 25412 | 2019-11-28 11:05:35 | MASTER-Tunka | (21h 47m 09.56s , +17d 50m 30.1s) | C | 60 | 18.1 | 25503 | 2019-11-28 11:07:06 | MASTER-Tunka | (21h 55m 34.22s , +17d 49m 05.7s) | C | 60 | 18.7 | 25594 | 2019-11-28 11:08:37 | MASTER-Tunka | (22h 04m 02.49s , +17d 50m 14.3s) | C | 60 | 18.8 | 25686 | 2019-11-28 11:10:09 | MASTER-Tunka | (22h 12m 20.68s , +17d 49m 23.2s) | C | 60 | 18.7 | 25777 | 2019-11-28 11:11:40 | MASTER-Tunka | (21h 57m 01.68s , +23d 50m 34.8s) | C | 60 | 18.6 | 25869 | 2019-11-28 11:13:12 | MASTER-Tunka | (21h 55m 36.47s , +17d 49m 40.7s) | C | 60 | 18.4 | 25962 | 2019-11-28 11:14:45 | MASTER-Tunka | (22h 05m 52.88s , +23d 48m 39.9s) | C | 60 | 18.5 | 26055 | 2019-11-28 11:16:18 | MASTER-Tunka | (22h 12m 23.28s , +17d 50m 25.0s) | C | 60 | 18.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.