[vsnet-grb-info 10471] GRB 110407A: MASTER optical observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Sat Apr 9 00:16:20 JST 2011
TITLE: GCN CIRCULAR
NUMBER: 11908
SUBJECT: GRB 110407A: MASTER optical observations
DATE: 11/04/08 15:16:15 GMT
FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc at observ.inetcomm.ru>
V.Yurkov, Yu.Sergienko, D.Varda, I.Kudelina
Blagoveschensk Educational State University, Blagoveschensk
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
A. Tlatov, A.V. Parhomenko, D. Dormidontov
Kislovodsk Solar Station of the Pulkovo Observatory
V.Krushinski, I.Zalozhnich, T.Kopytova, A. Popov
Ural State University, Kourovka
K.Ivanov, S.Yazev, N.M.Budnev, E.Konstantinov, V.Lenok, O.Gres, O.Chuvalaev,
V.A.Poleshchuk
Irkutsk State University
MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru) located in
Blagoveschensk was pointed to the GRB110407 25 sec after notice time and
107 sec after GRB time at 2011-04-07 14:08:28.65 UT. On our first (20s
exposure) set we haven`t found optical transient within SWIFT-BAT
error-box up to 17.8 mag (5 sigma unfiltered)(Yurkov et al., GCN Circ No
11897).
The results of the follow observations are:
T_mean-Tgrb [s] Tstart exptime 3 sigma-mlimit Coadd
209 14:08:28 200 19.7 5
1143 14:14:03 1220 21.3 10
2341 14:14:03 3380 22.0 22
3640 14:14:03 5720 22.5 35
There is no OT at the Lulin position (Chuang et al., GCN Circ 11899)
The message may be cited.
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