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GCN Circular 20330

Subject
GRB161219.78 MASTER-Net OT detection
Date
2016-12-22T03:38:33Z (7 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
D.Buckley, S. Potter, A.Kniazev, M.Kotze
South African Astronomical Observatory

V. Lipunov, E. Gorbovskoy, 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, A. Gabovich, Yu.Sergienko
Blagoveschensk Educational State University, Blagoveschensk

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

R. Podesta, Claudio Mallamaci, Carlos Lopez and Federico Podesta
Observatorio Astronomico Felix Aguilar (OAFA)

Hugo Levato and Carlos Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)

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 SAAO was pointed to the  GRB161219.78 26 sec after notice time and 42 sec after trigger time at 2016-12-19 18:49:21 UT. On our first (10s exposure)  set we  found 1 optical transient within SWIFT error-box (ra=91.7125 dec=-26.7897 r=0.05) brighter then 16.64.


 T-Tmid      Date      Time       Expt.        Ra                Dec           Mag
---------|---------------------|-------|-----------------|-----------------|-------
      47   2016-12-19 18:49:21      10   (06h 06m 51.43s , -26d 47m 29.8s)    15.90

The 5-sigma upper limit has been about 16.64mag
The message may be cited.

[GCN OPS NOTE(22dec16): Per Operator, it is noted that GRB161219.78 is 
the same as GRB 161219B.]
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