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GCN Circular 15660

Subject
GRB 140103A: MASTER-Net optical observations
Date
2014-01-03T12:05:21Z (10 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
E. Gorbovskoy,  V. Lipunov, D.Denisenko, V.Kornilov, 
D.Kuvshinov, N.Tyurina,  P.Balanutsa,  A.Kuznetsov
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 II  robotic telescope (MASTER-Net:http://observ.pereplet.ru) 
located in Kislovodsk was pointed to the  GRB140103A 22 sec after notice 
time and 303 sec after trigger time at 00:35:54 UT. On our first (60s 
exposure) set we haven`t found optical transient  within SWIFT error-box 
(V. Mangano et. al. GCN 15656).

The 5-sigma upper limit has been about 18.5 mag on first image and 21.2 
mag on coadd of 20 images with total exposure 3600 sec and avagare time 
01:18:38 UT i.e. 2890 sec after trigger.

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