GCN Circular 21272
Subject
GRB 170626A: MASTER-Tunka OT detection.
Date
2017-06-27T13:49:43Z (7 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
O.Gres, N.M.Budnev, O.Ershova
Irkutsk State University
V. Lipunov, E.Gorbovskoy, N.Tyurina, V.Kornilov, A.Kuznetsov, V.Vladimirov,
I.Gorbunov, D.Kuvshinov, A.V.Krylov, P.Balanutsa, V.V.Chazov, D. Vlasenko
Lomonosov Moscow State University, Sternberg Astronomical Institut of MSU
A. Tlatov, V.Senik, A.V. Parhomenko, D. Dormidontov
Kislovodsk Solar Station of the Pulkovo Observatory
A.Gabovich, V.Yurkov, Yu.Sergienko
Blagoveschensk Educational State University, Blagoveschensk
D.Buckley, S. Potter, A.Kniazev, M.Kotze
South African Astronomical Observatory
R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres
The Instituto de Astrofisica de Canarias
R.Podesta, C.Lopez, F. Podesta Observatorio Astronomico Felix Aguilar (OAFA),
National University of San Juan, Argentina
H. Levato, C. Saffe
Instituto de Ciencias Astronomicas,de la Tierra y del Espacio (ICATE),
San Juan, Argentina
MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru)
located in Tunka was starting inspection on the Swift GRB 170626A
error-box (ra=11 01 34 dec=+56 28 36 r=0.05) 22799 sec after notice time and 24464
sec after trigger time at 2017-06-26 16:45:56 UT. The 5-sigma upper limit
on our added image (3x180s exposure) set is about 19.8 mag .
We see OT with unfiltered magnitude 19.8 +0.2/-0.3 mag at Moskvitin et
al. (GCN #21268) position (see also A. de Ugarte Postigo et al.,GCN
#21269; Melandri et al., GCN #21270; ).
The message may be cited.