GCN Circular 12007
Subject
GRB 110422A: MASTER first 30 min OT light curve
Date
2011-05-05T06:42:02Z (13 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
O. Gres, K.Ivanov, V.A.Poleshchuk, S.Yazev, N.M.Budnev, O.Chuvalaev
Irkutsk State University
V.Krushinski, I.Zalozhnich, A. Popov
Ural State University, Kourovka
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.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 (Baykal lake) was pointed to the GRB 110422A (Mangano
et al., GCN Circ 11957) 53 sec after GRB time at 2011-04-22 15:42:48.507 UT (Gres et al., GCN Circ
11960). We see OT (Klunko et al. GCN 11958) on all images in both
polarizations in R-band.
The results of the our photometry are:
mag err exp t-t_trig mag err exp t-t_trig
R/ s mean (hours) R\ s mean (hours)
14.89 0.29 10 0.0166 15.28 0.43 10 0.0163
15.03 0.17 20 0.0272 15.3 0.25 20 0.0272
16.04 0.47 30 0.0400 15.73 0.31 30 0.0397
15.73 0.38 40 0.0551 15.77 0.38 40 0.0548
16.35 0.41 50 0.0729 16.05 0.27 50 0.0724
16.53 0.37 60 0.0938 16.53 0.32 60 0.0934
16.36 0.45 80 0.1190 16.35 0.41 80 0.1186
16.68 0.34 100 0.1502 16.78 0.33 100 0.1498
17.74 0.79 120 0.1871 17.17 0.34 120 0.1868
17.78 0.59 150 0.2319 17.52 0.33 150 0.2315
17.26 0.3 180 0.2834 17.56 0.32 180 0.2831
17.22 0.33 180 0.3403 17.78 0.48 180 0.3399
17.2 0.32 180 0.3957 18.32 0.87 180 0.3952
17.59 0.45 180 0.4513 18.71 1.27 180 0.4510
18.08 0.91 180 0.5066 19.25 2.64 180 0.5063
The LC's are available at:
http://observ.pereplet.ru/images/GRB110422/grb110422.png
The message may be cited.
