GCN Circular 14929
Subject
GRB 130625A: MASTER afterglow limit
Date
2013-06-26T06:31:35Z (11 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <gcncirc@observ.inetcomm.ru>
V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov, A.Gabovich
Blagoveschensk Educational State University, Blagoveschensk
E. Gorbovskoy, V. Lipunov, D.Denisenko, V.Kornilov,
D.Kuvshinov, N.Tyurina, N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov,
V.V.Chazov
Sternberg Astronomical Institute, Lomonosov Moscow State University
K.Ivanov, S.Yazev, N.M.Budnev, O.Gres, O.Chuvalaev, V.A.Poleshchuk
Irkutsk State University, Irkutsk
A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Senik
Kislovodsk Solar Station of the Pulkovo Observatory
V.Krushinski, I.Zalozhnih, A. Popov
Ural Federal University, Kourovka
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)
MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru)
located in Blagoveschensk was pointed to the GRB130625A 23177 sec s after
notice time and 23214 sec after GRB time at 2013-06-25 13:27:34.231 UT. On
our first (180s exposure) set we haven`t found optical transient within
Swift error-box (D. Grupe et al. GCN 14923).
The 5-sigma upper limit has been about 17.5 mag
On coadd images images we received the following limits
T_start T_finish T_mid t_mid-t_grb Exptime Filter Limit Coadd
---------------------------------------------------------------------------
13:27:34 14:17:44 13:52:39 24719 s 2700 s R 19.0 15
13:31:38 14:17:44 13:54:41 24841 s 2520 s W 19.5 14
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