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GCN Circular 13703

Subject
Fermi trigger 368003226 : MASTER optical observations
Date
2012-08-30T11:41:01Z (13 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
H. Levato and C. Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)

C. Mallamaci, C. Lopez and F. Podest
Observatorio Astronomico Felix Aguilar (OAFA)

E. Gorbovskoy, V. Lipunov,  V. Kornilov, D. Denisenko, A. Kuznetsov,
D. Kuvshinov, A. Belinski, N. Tyurina, N. Shatskiy, P. Balanutsa, D. Zimnukhov, 
V.V. Chazov
Lomonosov Moscow State University, Sternberg Astronomical Institute

A. Tlatov, A.V. Parhomenko, D. Dormidontov, V. Sennik
Kislovodsk Solar Station of the Pulkovo Observatory

K. Ivanov, S. Yazev, N.M. Budnev, O. Gres, O. Chuvalaev, V.A. Poleshchuk
Irkutsk State University

V. Yurkov, Yu. Sergienko, D. Varda, E. Sinyakov
Blagoveschensk Educational State University, Blagoveschensk

V. Krushinski, I. Zalozhnich,  A. Popov, A. Bourdanov, A. Punanova
Ural Federal University


MASTER-ICATE robotic very wide field cameras (FOV=2x384 square degrees, 
D=72mm, f/1.2, 1 pix = 22 arcsec, http://observ.pereplet.ru) located in 
Argentina (Observatorio Astronomico Felix Aguilar, 
http://93.180.27.230:8080/) were pointed to the FERMI trigger 
368003226 18 s after notice time and 44 s after GRB time at 2012-08-30 
07:07:47 UT.
We cover full 1-sigma and part of 3-sigma FERMI error-box  (76.836d, 
-27.824d error 2.99)
We haven`t found  optical transient  within FERMI error-box  our first (5 
s exposure) set and on coadd image made of 60 images and complete exposure 
of 300 seconds.
The coverage map is available 
http://master.sai.msu.ru/static/GRB120830_covermap.jpeg
The 5-sigma upper limit on single image has  been about 11.0 mag and 12.0 
mag on 
coadd image.
Our cameras are continuously imaging the sky with 5 sec exposures.
Weather conditions were not so good (feeble cloudiness).
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