[vsnet-grb-info 27451] GRB 210222B: MASTER OT observation

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Tue Feb 23 20:10:54 JST 2021


TITLE:   GCN CIRCULAR
NUMBER:  29554
SUBJECT: GRB 210222B: MASTER OT observation 
DATE:    21/02/23 11:10:04 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),
D. Buckley (South African Astronomical Observatory),
R. Podesta, C.Lopez, F. Podesta, C.Francile (Observatorio Astronomico FelixAguilar OAFA),
R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias),
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 Global robotic net (MASTER-Net:http://observ.pereplet.ru Lipunov et al.,2010,Advances in Astronomy,2010,30L)
automatically started (Lipunov et al. GCN 29544)
Swift  GRB 200222B (J.Gropp et al. GCN 29545,Ttrigger=22:37:26 UT)
optical observations at MASTER-Kislovodsk at 2021-02-22 22:38:07UT (41s 
after trigger time in clouds),
at MASTER-SAAO at 2021-02-22 22:42:03UT (GCN 29544).

MASTER auto-detection system found MASTER OT J101825.41-145554.9,
also detected by Swift (GCN 29545), and observed by BOOTES-1 (GCN 29546), 
LCO (29547), GOTO(29548), Liverpool Telescope (GCN 29549), NEXT (29551),VLT (GCN 29551)
This OT was also observed by MASTER-IAC.

The reduction of MASTER wide field and very wide field cameras images will be 
continued.
This message may be cited.



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