[vsnet-grb-info 20703] GRB 180620A: MASTER OT observation
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Wed Jun 20 18:29:11 JST 2018
TITLE: GCN CIRCULAR
NUMBER: 22801
SUBJECT: GRB 180620A: MASTER OT observation
DATE: 18/06/20 09:27:40 GMT
FROM: Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov at xray.sai.msu.ru>
N.Tyurina, V. Lipunov, E. Gorbovskoy, V.Kornilov, A.Kuznetsov,
I. Gorbunov, D. Vlasenko, D.Zimnukhov, D.Kuvshinov, P.Balanutsa, V.Vladimirov
Lomonosov Moscow State University,
Sternberg Astronomical Institute, Moscow State University
R. Rebolo, M. Serra, N. Lodieu, G. Israelian, L. Suarez-Andres
The Instituto de Astrofisica de Canarias
A. Tlatov, V.Senik, D. Dormidontov
Kislovodsk Solar Station of the Pulkovo Observatory
R. Podesta, F. Podesta, C. Lopez, C.Francile
Observatorio Astronomico Felix Aguilar (OAFA)
H.Levato, C. Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)
D. Buckley
South African Astronomical Observatory
O. Gres, N.M.Budnev , Yu.Ishmuhametova
Irkutsk State University
A. Gabovich, V. Yurkov, Yu. Sergienko
Blagoveschensk Educational State University, Blagoveschensk
MASTER-OAFA robotic telescope (MASTER-Net: http://observ.pereplet.ru
Lipunov et al., 2010, Advances in Astronomy, vol. 2010, 30L) ,
located in Argentina (OAFA observatory of San Juan National University),
was pointed to the Swift GRB180620A ( Evans et al. GCN #22798)
20 sec after Notice and 41 sec after trigger time at 2018-06-20 08:35:39
UT.
We see OT at Swift UVOT coordinates ~17 mag (Evans et al. GCN #22798).
====================================================================
The observations made on zenit distance = 72 degrees, galaxy latitude b =
12 degree.
The moon (49 % bright part) below the horizon (The altitude of the Moon is
-50 degree ).
The sun altitude is -37.3 degree.
The object can be observed till 2018-06-20 10:23:39.
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