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GCN Circular 24909

Subject
Baksan Neutrino Observatory Alert 190629.56 Global MASTER-Net observations report
Date
2019-06-29T22:22:13Z (5 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-Tavrida robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Lomonosov MSU, SAI Crimea astronomical station) started inspect of the Baksan Neutrino Observatory Alert 190629.56 (  1h 39m 36.00s , +25d 48m 00.00s, R=3) errorbox  29845 sec after trigger time at 2019-06-29 21:41:16 UT, with upper limit up to  17.1 mag. The observations began at zenit distance = 84 deg. The sun  altitude  is -22.8 deg. 

The galactic latitude b = -60 deg., longitude l = 98 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1060239

We obtain a following upper limits.  

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

   29875 | 2019-06-29 21:41:16 |      MASTER-Tavrida | (  1h 37m 31.37s , +29d 54m 01.92s) |   C |    60 | 17.0 |        
   29875 | 2019-06-29 21:41:16 |      MASTER-Tavrida | (  1h 36m 03.46s , +29d 51m 07.63s) |   C |    60 | 16.4 |        
   30212 | 2019-06-29 21:46:53 |      MASTER-Tavrida | (  1h 37m 31.00s , +29d 53m 26.56s) |   C |    60 | 16.7 |        
   30212 | 2019-06-29 21:46:53 |      MASTER-Tavrida | (  1h 36m 03.96s , +29d 50m 47.99s) |   C |    60 | 15.0 |        
   30430 | 2019-06-29 21:50:31 |      MASTER-Tavrida | (  1h 35m 44.10s , +27d 53m 38.62s) |   C |    60 | 16.0 |        
   30430 | 2019-06-29 21:50:31 |      MASTER-Tavrida | (  1h 34m 17.53s , +27d 50m 41.11s) |   C |    60 | 14.5 |        
   30776 | 2019-06-29 21:56:17 |      MASTER-Tavrida | (  1h 35m 44.82s , +27d 53m 29.12s) |   C |    60 | 17.1 |        
   30776 | 2019-06-29 21:56:17 |      MASTER-Tavrida | (  1h 34m 19.55s , +27d 50m 45.16s) |   C |    60 | 14.8 |        
   31123 | 2019-06-29 22:02:04 |      MASTER-Tavrida | (  1h 34m 08.63s , +25d 52m 48.84s) |   C |    60 | 16.4 |        
Filter C is a clear (unfiltred) band. 


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