//////////////////////////////////////////////////////////////////////// TITLE: GCN CIRCULAR NUMBER: 29068 SUBJECT: Baksan Neutrino Observatory Alert 201216.94: Global MASTER-Net observations report DATE: 20/12/17 06:00:08 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 201216.94 (trigger No 1658874459,14h 26m 24.00s , -05d 18m 00.0s, R=3) errorbox 25740 sec after notice time and 26234 sec after trigger time at 2020-12-17 05:44:53 UT, with upper limit up to 15.7 mag. The observations began at zenith distance = 65 deg. The sun altitude is -26.3 deg. The galactic latitude b = 50 deg., longitude l = 342 deg. Real time updated cover map and OT discovered available here: https://master.sai.msu.ru/site/master2/observ.php?id=1504766 We obtain a following upper limits. Tmid-T0 | Date Time | Site | Coord (J2000) |Filt.| Expt. | Limit| Comment _________|_____________________|_____________________|____________________________________|_____|_______|_______|________ 515 | 2020-12-16 22:35:28 | MASTER- | (14h 28m 26.79s , -04d 36m 07.6s) | C | 90 | 17.0 | 515 | 2020-12-16 22:35:28 | MASTER- | (14h 23m 11.73s , -05d 57m 29.4s) | C | 90 | 17.6 | 639 | 2020-12-16 22:37:18 | MASTER- | (14h 26m 27.49s , -04d 36m 31.8s) | C | 120 | 17.2 | 639 | 2020-12-16 22:37:18 | MASTER- | (14h 24m 18.31s , -05d 57m 58.2s) | C | 120 | 16.9 | 790 | 2020-12-16 22:39:38 | MASTER- | (14h 26m 25.40s , -04d 36m 02.1s) | C | 140 | 17.1 | 790 | 2020-12-16 22:39:38 | MASTER- | (14h 24m 32.82s , -05d 57m 27.3s) | C | 140 | 16.7 | 968 | 2020-12-16 22:42:17 | MASTER- | (14h 26m 11.83s , -04d 34m 13.7s) | C | 180 | 17.3 | 968 | 2020-12-16 22:42:17 | MASTER- | (14h 24m 32.98s , -05d 55m 39.9s) | C | 180 | 15.8 | 3283 | 2020-12-16 23:21:51 | MASTER- | (14h 23m 15.32s , -06d 39m 12.6s) | C | 60 | 17.6 | 3283 | 2020-12-16 23:21:51 | MASTER- | (14h 30m 54.41s , -05d 17m 50.6s) | C | 60 | 17.3 | 3373 | 2020-12-16 23:23:22 | MASTER- | (14h 20m 43.64s , -04d 38m 39.2s) | C | 60 | 17.7 | 3373 | 2020-12-16 23:23:22 | MASTER- | (14h 28m 22.44s , -03d 17m 16.6s) | C | 60 | 17.1 | 3458 | 2020-12-16 23:24:47 | MASTER- | (14h 26m 59.20s , -08d 37m 49.9s) | C | 60 | 17.6 | 3458 | 2020-12-16 23:24:47 | MASTER- | (14h 34m 39.55s , -07d 16m 27.7s) | C | 60 | 17.1 | 3539 | 2020-12-16 23:26:08 | MASTER- | (14h 19m 08.45s , -02d 38m 36.2s) | C | 60 | 17.1 | 3539 | 2020-12-16 23:26:08 | MASTER- | (14h 26m 47.59s , -01d 17m 12.7s) | C | 60 | 17.1 | 3621 | 2020-12-16 23:27:30 | MASTER- | (14h 23m 20.57s , -06d 37m 24.1s) | C | 60 | 17.5 | 3621 | 2020-12-16 23:27:30 | MASTER- | (14h 31m 00.19s , -05d 16m 02.5s) | C | 60 | 17.2 | 3706 | 2020-12-16 23:28:55 | MASTER- | (14h 20m 39.42s , -04d 37m 51.2s) | C | 60 | 17.3 | 3706 | 2020-12-16 23:28:55 | MASTER- | (14h 28m 18.64s , -03d 16m 29.1s) | C | 60 | 17.1 | 3808 | 2020-12-16 23:30:36 | MASTER- | (14h 26m 56.81s , -08d 37m 12.5s) | C | 60 | 17.4 | 3808 | 2020-12-16 23:30:36 | MASTER- | (14h 34m 37.53s , -07d 15m 51.1s) | C | 60 | 17.0 | 3908 | 2020-12-16 23:32:16 | MASTER- | (14h 19m 10.91s , -02d 37m 39.3s) | C | 60 | 17.1 | 3908 | 2020-12-16 23:32:16 | MASTER- | (14h 26m 50.34s , -01d 16m 15.8s) | C | 60 | 17.2 | 4275 | 2020-12-16 23:38:24 | MASTER- | (14h 07m 12.72s , -06d 36m 11.1s) | C | 60 | 17.2 | 4275 | 2020-12-16 23:38:24 | MASTER- | (14h 14m 59.94s , -05d 15m 34.5s) | C | 60 | 16.6 | 4355 | 2020-12-16 23:39:44 | MASTER- | (14h 18m 35.57s , -07d 14m 39.6s) | C | 60 | 16.6 | 4433 | 2020-12-16 23:41:02 | MASTER- | (14h 12m 22.72s , -03d 15m 37.7s) | C | 60 | 16.5 | 4517 | 2020-12-16 23:42:25 | MASTER- | (14h 36m 44.76s , -04d 36m 08.6s) | C | 60 | 16.7 | 4517 | 2020-12-16 23:42:25 | MASTER- | (14h 44m 30.48s , -03d 15m 35.9s) | C | 60 | 16.2 | 4595 | 2020-12-16 23:43:43 | MASTER- | (14h 14m 54.58s , -05d 14m 56.0s) | C | 60 | 16.5 | 4595 | 2020-12-16 23:43:43 | MASTER- | (14h 07m 07.57s , -06d 35m 31.3s) | C | 60 | 16.8 | 4677 | 2020-12-16 23:45:05 | MASTER- | (14h 18m 32.07s , -07d 14m 06.1s) | C | 60 | 16.1 | 4765 | 2020-12-16 23:46:34 | MASTER- | (14h 12m 25.32s , -03d 14m 43.7s) | C | 60 | 15.9 | 26264 | 2020-12-17 05:44:53 | MASTER-IAC | (14h 21m 17.91s , -03d 52m 41.1s) | C | 60 | 15.7 | 26344 | 2020-12-17 05:46:13 | MASTER-IAC | (14h 29m 12.98s , -03d 53m 21.5s) | C | 60 | 12.3 | Filter C is a clear (unfiltred) band. The observation and reduction will continue. The message may be cited.