GCN Circular 12300
Subject
GRB 110820A: MASTER-NET first hour observations
Date
2011-08-23T06:09:31Z (13 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, N.Tyurina,
N.Shatskiy, P.Balanutsa, V.V.Chazov, P.V.Kortunov, A.Kuznetsov,
D.Zimnukhov, M.
Kornilov, A.Kuznetsov, D.Zimnukhov, M. Kornilov, A.Sankovich
Sternberg Astronomical Institute, Moscow State University
O. Gres, K.Ivanov, V.A.Poleshchuk, S.Yazev, N.M.Budnev, O.Chuvalaev
Irkutsk State University
A. Tlatov, A. Parhomenko, D. Dormidontov
Kislovodsk Solar Station of the Pulkovo Observatory
V.Krushinski, I.Zalozhnich, T.Kopytova, A. Popov
Ural State University, Kourovka
E. Sinyakov, V.Yurkov, Yu.Sergienko, D.Varda, I.Kudelina
Blagoveschensk Educational State University, Blagoveschensk
MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru) located
in Tunka(Siberia) was pointed to the GRB110820A 45 sec after notice time and
133 sec after GRB time at 2011-08-20 17:40:40.275 UT in two polarizations
on one in each tube.
During the analysis of the data of the first hour of observation following
results have been received:
T-T(GRB) T-T(GRB) T-T(GRB) Exptime Limit Filter Coadd
start[s] stop[s] mean [s] [s] (5-sigma)
---------------------------------------------------------------
133 163 148 30 16.4 P_ no
133 163 148 30 16.5 P| no
133 2797 1465 2040 19.3 P_ 14
133 2797 1465 2040 19.6 P| 14
133 2797 1465 4080 19.9 P|+P_ 28
Image in filter P_+P| available here
http://observ.pereplet.ru/images/evgeny/GRB110820A.jpg
The message may be cited.