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GCN Circular 27747

Subject
Swift GRB200516.63: Global MASTER-Net observations report
Date
2020-05-16T15:30:26Z (5 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
V. Lipunov, E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa, A.Kuznetsov, F.Balakin, 
V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,
D.Kuvshinov,  D. Cheryasov
(Lomonosov Moscow State University, SAI, Physics Department),

R. Podesta, C.Lopez, F. Podesta, C.Francile 
(Observatorio Astronomico Felix Aguilar OAFA),

H.Levato 
(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),

R. Rebolo, M. Serra 
(The Instituto de Astrofisica de Canarias),

D. Buckley 
(South African Astronomical Observatory),

O.A. Gres, N.M. Budnev, O.Ershova 
(Irkutsk State University, API),

A. Tlatov, D. Dormidontov 
(Kislovodsk Solar Station of the Pulkovo Observatory),

V. Yurkov, A. Gabovich, Yu. Sergienko 
(Blagoveschensk Educational State University)




MASTER-Amur robotic telescope  (Global MASTER-Net: http://observ.pereplet.ru, Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L)  located in Russia (Blagoveshchensk State Pedagogical University) was pointed to the Swift GRB200516.63 (trigger No 972614,18h 18m 12.00s , -16d 11m 34.8s, R=0.05) errorbox  19 sec after notice time and 38 sec after trigger time at 2020-05-16 15:04:06 UT, with upper limit up to  14.6 mag. The observations began at zenith distance = 78 deg. The sun  altitude  is -20.6 deg. 

The galactic latitude b = -1 deg., longitude l = 15 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1357751

We obtain a following upper limits.  

Tmid-T0  |          Site       |Filt.| Expt. | Limit| Comment
_________|_____________________|_____|_______|______|________

      43 |         MASTER-Amur |  P/ |    10 | 13.2 |        
      70 |         MASTER-Amur |  P/ |    10 | 13.6 |        
     106 |         MASTER-Amur |  P/ |    20 | 13.2 |        
     144 |         MASTER-Amur |  P/ |    30 | 14.5 |        
     188 |         MASTER-Amur |  P/ |    30 | 14.6 |        


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