[vsnet-grb-info 10880] GRB 110820A: MASTER-NET first hour observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Tue Aug 23 15:09:36 JST 2011
TITLE: GCN CIRCULAR
NUMBER: 12300
SUBJECT: GRB 110820A: MASTER-NET first hour observations
DATE: 11/08/23 06:09:31 GMT
FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc at 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.
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