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GCN Circular 14239

GRB 130216B: MASTER-Net early observation
2013-02-18T11:22:50Z (11 years ago)
Vladimir Lipunov at Moscow State U/Krylov Obs <>
E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina, 
N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov, 
D.Denisenko, A.Sankovich
Sternberg Astronomical Institute, Moscow State University

A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik
Kislovodsk Solar Station of the Pulkovo Observatory

V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov
Blagoveschensk Educational State University, Blagoveschensk

K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk
Irkutsk State University

V.Krushinski, I.Zalozhnih,  A. Popov
Ural Federal University, Kourovka

Hugo Levato and Carlos Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)

Claudio Mallamaci, Carlos Lopez and Federico Podest
Observatorio Astronomico Felix Aguilar (OAFA)

MASTER-VWF robotic telescope (MASTER-Net: in 
Kislovodsk was pointed to the GRB130216A  12 sec  after notice time and 53 
sec after GRB time at  2013-02-16 18:59:04.829  UT using FERMI coordinates 
(V.Chaplin et. al. GCN14235).  We observ SWIFT error-box ( J. R. Cummings 
et al. GCN14232 )  by very wide field cameras (FOV=400 sq. deg.) and 
haven`t found optical transient on images with 5-sigma upper limit has 
been about 10 mag.

Observations were made in bad weather condition at zenith distanse z=70 

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