TITLE: GCN CIRCULAR NUMBER: 26782 SUBJECT: Baksan Neutrino Observatory Alert 200116.22: Global MASTER-Net observations report DATE: 20/01/16 06:21:08 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-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 Baksan Neutrino Observatory Alert 200116.22 (trigger No 1629868225,13h 29m 12.00s , -55d 42m 00.0s, R=3) errorbox 106 sec after trigger time at 2020-01-16 05:12:11 UT, with upper limit up to 16.7 mag. The observations began at zenith distance = 84 deg. The sun altitude is -35.5 deg. MASTER-OAFA robotic telescope located in Argentina (OAFA observatory of San Juan National University) started inspect of the Baksan Neutrino Observatory Alert 200116.22 errorbox 174 sec after notice time and 695 sec after trigger time at 2020-01-16 05:22:00 UT, with upper limit up to 18.3 mag. The observations began at zenith distance = 57 deg. The sun altitude is -37.1 deg. The galactic latitude b = 6 deg., longitude l = 309 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1261954 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 176 | 2020-01-16 05:12:11 | MASTER-IAC | (13h 08m 27.54s , -54d 31m 09.0s) | P| | 140 | 16.7 | 176 | 2020-01-16 05:12:11 | MASTER-IAC | (13h 07m 37.05s , -54d 28m 02.1s) | P- | 140 | 16.7 | 635 | 2020-01-16 05:20:00 | MASTER-IAC | (13h 27m 23.43s , -55d 31m 45.9s) | P- | 120 | 16.2 | 795 | 2020-01-16 05:20:00 | MASTER-IAC | (13h 27m 23.69s , -55d 31m 51.4s) | P- | 440 | 16.4 | Coadd 635 | 2020-01-16 05:20:00 | MASTER-IAC | (13h 28m 22.00s , -55d 35m 04.2s) | P| | 120 | 16.1 | 795 | 2020-01-16 05:20:00 | MASTER-IAC | (13h 28m 22.03s , -55d 35m 04.9s) | P| | 440 | 16.5 | Coadd 765 | 2020-01-16 05:22:00 | MASTER-OAFA | (13h 26m 15.16s , -54d 51m 05.9s) | C | 140 | 17.9 | 940 | 2020-01-16 05:22:00 | MASTER-OAFA | (13h 26m 15.16s , -54d 51m 05.8s) | C | 490 | 18.3 | Coadd 828 | 2020-01-16 05:23:03 | MASTER-IAC | (13h 27m 26.57s , -55d 31m 01.1s) | P- | 140 | 15.9 | 828 | 2020-01-16 05:23:03 | MASTER-IAC | (13h 28m 24.96s , -55d 34m 18.2s) | P| | 140 | 15.8 | 952 | 2020-01-16 05:24:51 | MASTER-OAFA | (13h 26m 21.25s , -54d 52m 04.7s) | C | 170 | 18.0 | 1048 | 2020-01-16 05:26:23 | MASTER-IAC | (13h 28m 18.13s , -55d 34m 45.6s) | P| | 180 | 16.2 | 1048 | 2020-01-16 05:26:23 | MASTER-IAC | (13h 27m 19.84s , -55d 31m 31.1s) | P- | 180 | 16.2 | 1158 | 2020-01-16 05:28:13 | MASTER-OAFA | (13h 26m 15.15s , -54d 53m 03.2s) | C | 180 | 17.9 | 1292 | 2020-01-16 05:30:27 | MASTER-IAC | (13h 27m 18.57s , -55d 30m 15.6s) | P- | 180 | 16.4 | 1292 | 2020-01-16 05:30:27 | MASTER-IAC | (13h 28m 17.14s , -55d 33m 30.4s) | P| | 180 | 16.4 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.