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GCN Circular 28999

Subject
Fermi GRB 201208A: Global MASTER-Net observations report
Date
2020-12-08T08:15:45Z (3 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-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 Fermi GRB 201208A ( Fermi GBM team, GCN 28998Not found
 
 
) errorbox  129 sec after notice time and 199 sec after trigger time at 2020-12-08 06:06:42 UT, with upper limit up to  18.3 mag. The observations began at zenith distance = 47 deg. The sun  altitude  is -31.2 deg. 

The galactic latitude b = 24 deg., longitude l = 269 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1497931

We obtain a following upper limits.  

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

     229 | 2020-12-08 06:06:42 |         MASTER-OAFA | (10h 22m 26.04s , -30d 34m 40.3s) |   C |    60 | 18.3 |        
     308 | 2020-12-08 06:08:01 |         MASTER-OAFA | (10h 35m 33.22s , -32d 34m 16.4s) |   C |    60 | 18.3 |        
     388 | 2020-12-08 06:09:21 |         MASTER-OAFA | (10h 16m 42.48s , -32d 36m 29.2s) |   C |    60 | 18.2 |        
Filter C is a clear (unfiltred) band. 


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