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GCN Circular 26781

Subject
Baksan Neutrino Observatory Alert 200116.21: Global MASTER-Net observations report
Date
2020-01-16T05:21:16Z (4 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-OAFA robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Argentina (OAFA observatory of San Juan National University) started inspect of the Baksan Neutrino Observatory Alert 200116.21 (trigger No 1629867585,13h 09m 12.00s , -54d 36m 00.0s, R=3) errorbox  17 sec after notice time and 282 sec after trigger time at 2020-01-16 05:04:27 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 56 deg. The sun  altitude  is -37.7 deg. 

MASTER-IAC robotic telescope  located in Spain (IAC Teide Observatory) started inspect of the Baksan Neutrino Observatory Alert 200116.21 errorbox  53 sec after notice time and 318 sec after trigger time at 2020-01-16 05:05:03 UT, with upper limit up to  16.7 mag. The observations began at zenith distance = 85 deg. The sun  altitude  is -37.1 deg. 

The galactic latitude b =  8 deg., longitude l = 306 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1261945

We obtain a following upper limits.  

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

     313 | 2020-01-16 05:04:27 |         MASTER-OAFA | (13h 06m 21.40s , -53d 45m 55.6s) |   C |    60 | 17.8 |        
     348 | 2020-01-16 05:05:03 |          MASTER-IAC | (13h 08m 17.77s , -54d 27m 55.8s) |  P| |    60 | 12.7 |        
     409 | 2020-01-16 05:05:59 |         MASTER-OAFA | (13h 06m 21.28s , -53d 45m 12.1s) |   C |    70 | 17.8 |        
     477 | 2020-01-16 05:07:02 |          MASTER-IAC | (13h 07m 35.10s , -54d 26m 56.3s) |  P- |    80 | 16.5 |        
     477 | 2020-01-16 05:07:02 |          MASTER-IAC | (13h 08m 25.92s , -54d 30m 03.2s) |  P| |    80 | 16.6 |        
     521 | 2020-01-16 05:07:40 |         MASTER-OAFA | (13h 06m 21.19s , -53d 46m 46.6s) |   C |    90 | 17.9 |        
     632 | 2020-01-16 05:09:21 |          MASTER-IAC | (13h 07m 29.53s , -54d 28m 05.0s) |  P- |   110 | 16.7 |        
     632 | 2020-01-16 05:09:21 |          MASTER-IAC | (13h 08m 20.22s , -54d 31m 12.7s) |  P| |   110 | 16.7 |        
     658 | 2020-01-16 05:09:42 |         MASTER-OAFA | (13h 06m 24.06s , -53d 44m 52.2s) |   C |   120 | 18.0 |        
     817 | 2020-01-16 05:12:11 |          MASTER-IAC | (13h 08m 27.54s , -54d 31m 09.0s) |  P| |   140 | 16.7 |        
     817 | 2020-01-16 05:12:11 |          MASTER-IAC | (13h 07m 37.05s , -54d 28m 02.1s) |  P- |   140 | 16.7 |        
Filter C is a clear (unfiltred) band. 


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