[vsnet-grb-info 17739] GRB 160313A: MASTER-Net optical observations

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Mon Mar 14 00:55:35 JST 2016


TITLE:   GCN CIRCULAR
NUMBER:  19178
SUBJECT: GRB 160313A: MASTER-Net optical observations 
DATE:    16/03/13 15:54:59 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <lipunov at xray.sai.msu.ru>

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

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

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

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

V.Krushinski, I.Zalozhnih,  A. Popov
Ural Federal University, Kourovka

D.Buckley, S. Potter, A.Kniazev, M.Kotze
South African Astronomical Observatory

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)

R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres
The Instituto de Astrofisica de Canarias


MASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) 
located in Kislovodsk was pointed to the  GRB160313A 21 sec after notice 
time and 129 sec after trigger time at 2016-03-13 02:39:24 UT in two 
polarizations. On our first (30s exposure) and following coadd images 
we haven`t found optical transient  within SWIFT error-box (D'Ai et al GCN 
19171). The observations took during the morning twilight. We have a 5 
good images before they become overexposed.

The 5-sigma upper limit has been about 16.5 on first single (30s exposure) 
image and 17.2 on coadd (300 s exposure) image.

The message may be cited.



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