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GCN Circular 28882

Subject
Fermi GRB 201111A: Global MASTER-Net observations report
Date
2020-11-11T21:45:11Z (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) started inspect of the Fermi GRB 201111A ( Fermi GBM team, GCN 28878Loading...
 
 ) errorbox  49227 sec after notice time and 49238 sec after trigger time at 2020-11-11 21:26:24 UT, with upper limit up to  18.8 mag. The observations began at zenith distance = 56 deg. The sun  altitude  is -63.7 deg. 

The galactic latitude b = -26 deg., longitude l = 219 deg.


Real time updated cover map and OT discovered available here: 
https://master.sai.msu.ru/site/master2/observ.php?id=1480057

We obtain a following upper limits.  

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

   49269 | 2020-11-11 21:26:24 |      MASTER-Tavrida | (05h 14m 19.42s , -03d 53m 02.4s) |   C |    60 | 18.7 |        
   49430 | 2020-11-11 21:29:05 |      MASTER-Tavrida | (05h 30m 19.56s , -03d 53m 04.9s) |   C |    60 | 18.3 |        
   49510 | 2020-11-11 21:30:26 |      MASTER-Tavrida | (05h 15m 12.59s , -05d 53m 15.5s) |   C |    60 | 18.6 |        
   49591 | 2020-11-11 21:31:46 |      MASTER-Tavrida | (05h 14m 13.92s , -03d 52m 15.0s) |   C |    60 | 18.8 |        
   49671 | 2020-11-11 21:33:07 |      MASTER-Tavrida | (05h 22m 22.24s , -03d 52m 57.2s) |   C |    60 | 18.4 |        
   49913 | 2020-11-11 21:37:08 |      MASTER-Tavrida | (05h 30m 19.40s , -03d 51m 53.2s) |   C |    60 | 18.4 |        
Filter C is a clear (unfiltred) band. 


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