[vsnet-grb-info 27374] GRB 210211A: MASTER optical observation of REM OT

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  29477
SUBJECT: GRB 210211A: MASTER optical observation of REM OT
DATE:    21/02/11 12:56:02 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at xray.sai.msu.ru>

V. Lipunov, V.Kornilov, E.Gorbovskoy,N.Tiurina,P.Balanutsa,F.Balakin, V.Vladimirov, A.Kuznetsov,K.Zhirkov,D. Vlasenko, I.Gorbunov, D.Zimnukhov, 
V.Senik, A.Chasovnikov,A.Pozdnyakov,V.Topolev, D.Cheryasov(Lomonosov Moscow State University, SAI, Physics Department),
R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico FelixAguilar OAFA),
R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias),
D. Buckley (South African Astronomical Observatory),
O.A. Gres, N.M. Budnev (Irkutsk State University, API),
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory),
A. Gabovich, V.Yurkov (Blagoveschensk Educational StateUniversity)

MASTER-OAFA robotic telescope (MASTER-Net: http://observ.pereplet.ru Lipunov et al.,2010,Advances in Astronomy,2010,30L)
automatically started (Lipunov et al. GCN 29471)
Swift GRB 200211A (Troja et al. GCN 29472,Ttrigger=08:43:18UT)
at 2021-02-11 08:44:02UT with 10s exposition.
At the second (10s exp), third (20s exp) and fourth images we see OT,
discovered by REM (D'Avanzo et al. GCN29474)

The reduction of MASTER wide field and very wide field cameras images will be continued.
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