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GCN Circular 27946

Subject
Baksan Neutrino Observatory Alert 200614.34: Global MASTER-Net observations report
Date
2020-06-14T22:21:19Z (3 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
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-SAAO robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in South Africa (South African Astronomical Observatory) started inspect of the Baksan Neutrino Observatory Alert 200614.34 (trigger No 1642838676,14h 10m 48.00s , -04d 24m 00.0s, R=3) errorbox  44195 sec after notice time and 45204 sec after trigger time at 2020-06-14 20:38:00 UT, with upper limit up to  20.4 mag. The observations began at zenith distance = 34 deg. The sun  altitude  is -61.9 deg. 

The galactic latitude b = 53 deg., longitude l = 338 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1381498

We obtain a following upper limits.  

Tmid-T0  |      Date Time      |          Site       |             Coord (J2000)          |Filt.| Expt. | Limit| Comment
_________|_____________________|_____________________|____________________________________|_____|_______|_______|________

   45295 | 2020-06-14 20:38:00 |         MASTER-SAAO | (14h 09m 09.21s , -04d 16m 12.4s) |   C |   180 | 20.2 |        
   45295 | 2020-06-14 20:38:00 |         MASTER-SAAO | (14h 08m 13.06s , -04d 16m 30.1s) |   C |   180 | 20.1 |        
   45494 | 2020-06-14 20:41:20 |         MASTER-SAAO | (14h 09m 15.06s , -04d 17m 06.4s) |   C |   180 | 20.2 |        
   45494 | 2020-06-14 20:41:20 |         MASTER-SAAO | (14h 08m 18.99s , -04d 17m 23.7s) |   C |   180 | 20.2 |        
   45694 | 2020-06-14 20:44:40 |         MASTER-SAAO | (14h 09m 08.87s , -02d 17m 56.6s) |   C |   180 | 20.3 |        
   45694 | 2020-06-14 20:44:40 |         MASTER-SAAO | (14h 08m 13.08s , -02d 18m 13.0s) |   C |   180 | 20.3 |        
   45894 | 2020-06-14 20:47:59 |         MASTER-SAAO | (14h 09m 15.11s , -02d 17m 39.5s) |   C |   180 | 20.3 |        
   45894 | 2020-06-14 20:48:00 |         MASTER-SAAO | (14h 08m 19.34s , -02d 17m 55.0s) |   C |   180 | 20.3 |        
   46093 | 2020-06-14 20:51:19 |         MASTER-SAAO | (14h 09m 10.02s , -06d 16m 19.4s) |   C |   180 | 20.3 |        
   46093 | 2020-06-14 20:51:19 |         MASTER-SAAO | (14h 08m 13.77s , -06d 16m 35.2s) |   C |   180 | 20.3 |        
   46293 | 2020-06-14 20:54:39 |         MASTER-SAAO | (14h 09m 09.47s , -06d 17m 52.8s) |   C |   180 | 20.3 |        
   46293 | 2020-06-14 20:54:39 |         MASTER-SAAO | (14h 08m 13.21s , -06d 18m 08.6s) |   C |   180 | 20.3 |        
   46492 | 2020-06-14 20:57:58 |         MASTER-SAAO | (14h 18m 26.66s , -04d 52m 35.1s) |   C |   180 | 20.4 |        
   46492 | 2020-06-14 20:57:58 |         MASTER-SAAO | (14h 17m 30.57s , -04d 52m 50.6s) |   C |   180 | 20.3 |        
   46698 | 2020-06-14 21:01:24 |         MASTER-SAAO | (14h 18m 19.57s , -04d 53m 08.0s) |   C |   180 | 20.4 |        
   46698 | 2020-06-14 21:01:24 |         MASTER-SAAO | (14h 17m 23.51s , -04d 53m 23.6s) |   C |   180 | 20.3 |        
   46898 | 2020-06-14 21:04:44 |         MASTER-SAAO | (14h 18m 20.21s , -02d 51m 59.2s) |   C |   180 | 20.2 |        
   46898 | 2020-06-14 21:04:44 |         MASTER-SAAO | (14h 17m 24.44s , -02d 52m 14.5s) |   C |   180 | 20.3 |        
   47098 | 2020-06-14 21:08:04 |         MASTER-SAAO | (14h 18m 25.76s , -02d 52m 57.5s) |   C |   180 | 20.3 |        
   47098 | 2020-06-14 21:08:04 |         MASTER-SAAO | (14h 17m 30.04s , -02d 53m 12.8s) |   C |   180 | 20.3 |        
   47298 | 2020-06-14 21:11:24 |         MASTER-SAAO | (14h 14m 15.47s , -06d 54m 07.5s) |   C |   180 | 20.3 |        
   47298 | 2020-06-14 21:11:24 |         MASTER-SAAO | (14h 13m 19.34s , -06d 54m 22.6s) |   C |   180 | 20.3 |        
   47498 | 2020-06-14 21:14:43 |         MASTER-SAAO | (14h 14m 21.78s , -06d 53m 49.3s) |   C |   180 | 20.3 |        
   47498 | 2020-06-14 21:14:43 |         MASTER-SAAO | (14h 13m 25.70s , -06d 54m 04.1s) |   C |   180 | 20.3 |        
   47697 | 2020-06-14 21:18:03 |         MASTER-SAAO | (14h 06m 17.29s , -06d 52m 14.7s) |   C |   180 | 20.3 |        
   47698 | 2020-06-14 21:18:03 |         MASTER-SAAO | (14h 05m 21.25s , -06d 52m 29.4s) |   C |   180 | 20.2 |        
   47897 | 2020-06-14 21:21:23 |         MASTER-SAAO | (14h 06m 16.97s , -06d 53m 31.0s) |   C |   180 | 20.1 |        
   47897 | 2020-06-14 21:21:23 |         MASTER-SAAO | (14h 05m 20.86s , -06d 53m 45.5s) |   C |   180 | 20.2 |        
   48497 | 2020-06-14 21:31:23 |         MASTER-SAAO | (14h 11m 52.75s , -05d 48m 33.9s) |   C |   180 | 20.3 |        
   48497 | 2020-06-14 21:31:23 |         MASTER-SAAO | (14h 10m 55.76s , -05d 48m 41.5s) |   C |   180 | 20.3 |        
   48696 | 2020-06-14 21:34:42 |         MASTER-SAAO | (14h 11m 58.50s , -05d 49m 31.6s) |   C |   180 | 20.3 |        
   48696 | 2020-06-14 21:34:42 |         MASTER-SAAO | (14h 11m 01.52s , -05d 49m 38.9s) |   C |   180 | 20.3 |        
Filter C is a clear (unfiltred) band. 


The observation and reduction will continue. 
The message may be cited.
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