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GCN Circular 28559

Subject
Swift GRB201006.05: Global MASTER-Net observations report
Date
2020-10-06T01:26:49Z (4 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),

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-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) was pointed to the Swift GRB201006.05 (trigger No 998907,04h 07m 31.20s , +65d 09m 00.0s, R=0.05) errorbox 66 sec after trigger time at 2020-10-06 01:18:58 UT, with upper limit up to  18.0 mag. The observations began at zenith distance = 22 deg. The sun  altitude  is -26.9 deg. 

The galactic latitude b = 10 deg., longitude l = 142 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1455690

We obtain a following upper limits.  

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

      71 |      MASTER-Tavrida |   C |    10 | 17.1 |        
     107 |      MASTER-Tavrida |   C |    20 | 17.5 |        
     152 |      MASTER-Tavrida |   C |    30 | 17.8 |        
     207 |      MASTER-Tavrida |   C |    40 | 18.0 |        
Filter C is a clear (unfiltred) band. 


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