TITLE: GCN CIRCULAR NUMBER: 26291 SUBJECT: Baksan Neutrino Observatory Alert 191124.13: Global MASTER-Net observations report DATE: 19/11/24 14:21:32 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-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 Baksan Neutrino Observatory Alert 191124.13 (trigger No 1625281336,22h 10m 24.00s , +33d 36m 00.0s, R=3) errorbox 37312 sec after trigger time at 2019-11-24 13:24:09 UT, with upper limit up to 18.5 mag. The observations began at zenith distance = 46 deg. The sun altitude is -53.0 deg. MASTER-Tunka robotic telescope located in Russia (Applied Physics Institute, Irkutsk State University) started inspect of the Baksan Neutrino Observatory Alert 191124.13 errorbox 37467 sec after trigger time at 2019-11-24 13:26:44 UT, with upper limit up to 19.6 mag. The observations began at zenith distance = 31 deg. The sun altitude is -39.6 deg. The galactic latitude b = -18 deg., longitude l = 89 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1204691 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 37403 | 2019-11-24 13:24:09 | MASTER-Amur | (22h 06m 40.24s , +34d 00m 25.9s) | C | 180 | 18.3 | 37558 | 2019-11-24 13:26:44 | MASTER-Tunka | (22h 15m 39.86s , +32d 15m 19.6s) | C | 180 | 19.6 | 37771 | 2019-11-24 13:30:17 | MASTER-Tunka | (22h 01m 02.24s , +36d 15m 03.5s) | C | 180 | 19.5 | 37986 | 2019-11-24 13:33:52 | MASTER-Tunka | (21h 56m 45.34s , +32d 15m 21.3s) | C | 180 | 19.6 | 38030 | 2019-11-24 13:34:36 | MASTER-Amur | (22h 06m 36.74s , +34d 00m 12.8s) | C | 180 | 18.5 | 38243 | 2019-11-24 13:38:09 | MASTER-Amur | (22h 16m 21.67s , +33d 59m 18.7s) | C | 180 | 18.4 | 38322 | 2019-11-24 13:39:28 | MASTER-Tunka | (22h 25m 01.48s , +32d 13m 17.6s) | C | 180 | 19.3 | 38535 | 2019-11-24 13:43:01 | MASTER-Tunka | (22h 01m 02.56s , +36d 13m 27.2s) | C | 180 | 19.3 | 38553 | 2019-11-24 13:43:19 | MASTER-Amur | (22h 19m 42.04s , +36d 00m 05.1s) | C | 180 | 18.3 | 38746 | 2019-11-24 13:46:32 | MASTER-Tunka | (22h 10m 51.88s , +36d 14m 50.0s) | C | 180 | 19.5 | 38766 | 2019-11-24 13:46:52 | MASTER-Amur | (22h 26m 01.99s , +33d 59m 51.6s) | C | 180 | 18.4 | 38960 | 2019-11-24 13:50:06 | MASTER-Tunka | (21h 56m 46.31s , +32d 13m 22.1s) | C | 180 | 19.2 | 38976 | 2019-11-24 13:50:22 | MASTER-Amur | (22h 16m 17.48s , +33d 59m 09.6s) | C | 180 | 18.2 | 39169 | 2019-11-24 13:53:35 | MASTER-Tunka | (21h 56m 48.52s , +32d 15m 02.9s) | C | 180 | 19.3 | 39187 | 2019-11-24 13:53:53 | MASTER-Amur | (22h 19m 39.31s , +36d 00m 08.9s) | C | 180 | 18.3 | 39379 | 2019-11-24 13:57:05 | MASTER-Tunka | (22h 06m 07.48s , +32d 14m 02.7s) | C | 180 | 19.1 | 39397 | 2019-11-24 13:57:23 | MASTER-Amur | (22h 29m 39.34s , +35d 59m 13.4s) | C | 180 | 18.4 | 39588 | 2019-11-24 14:00:34 | MASTER-Tunka | (22h 06m 09.04s , +32d 14m 58.9s) | C | 180 | 19.0 | 39609 | 2019-11-24 14:00:55 | MASTER-Amur | (22h 25m 55.43s , +33d 58m 05.6s) | C | 180 | 18.4 | 39805 | 2019-11-24 14:04:11 | MASTER-Tunka | (22h 25m 05.88s , +32d 13m 58.5s) | C | 180 | 19.3 | 40016 | 2019-11-24 14:07:42 | MASTER-Tunka | (22h 10m 46.14s , +36d 12m 49.1s) | C | 180 | 19.2 | 40036 | 2019-11-24 14:08:02 | MASTER-Amur | (22h 29m 36.82s , +35d 59m 55.7s) | C | 180 | 18.4 | 40229 | 2019-11-24 14:11:15 | MASTER-Tunka | (22h 06m 13.20s , +32d 12m 52.6s) | C | 180 | 19.1 | 40189 | 2019-11-24 14:11:35 | MASTER-Amur | (22h 14m 53.52s , +37d 59m 26.3s) | C | 60 | 17.8 | 40281 | 2019-11-24 14:13:07 | MASTER-Amur | (22h 23m 54.15s , +29d 59m 50.3s) | C | 60 | 17.6 | 40438 | 2019-11-24 14:14:44 | MASTER-Tunka | (22h 06m 10.52s , +32d 14m 21.4s) | C | 180 | 19.1 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.