GCN Circular 13309
Subject
GRB 120521B/Fermi Trigger 359284074: early MASTER-ICATE optical limit
Date
2012-05-21T10:49:58Z (12 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
Hugo Levato and Carlos Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)
Claudio Mallamaci, Carlos Lopez and Federico Podest
Observatorio Astronomico Felix Aguilar (OAFA)
E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, D.Denisenko, A.Belinski,
N.Tyurina, N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov,
A.Kuznetsov
Moscow Lomonosov 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 VWF robotic cameras (400 square degrees, 1 pix = 22
arcsec, http://observ.pereplet.ru)
located in Argentina (Observatorio Astronomico Felix Aguilar) was pointed
to the Fermi Trigger 359284074 12 sec before Swift notice time and 65
sec after Swift trigger (Cummings et al., GCN Circ 13305) time at
2012-05-21 09:08:53 UT.
On our first image (5 sec exposure) we
have not found any OT.
T_start(UT) T - T_trig MeanTime Exp Limit Coadd? Filter
----------------------------------------------------------------------
09 08 53 65 s 67.5s 5s 11.5 No Unfiltered
09 08 53 65 s 77.5s 25s 12.4 Yes Unfiltered
The message may be cited.