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GCN Circular 26497

Subject
LIGO/Virgo S191213g: MASTER observation of AT2019wxt (PS19hgw)
Date
2019-12-19T08:55:40Z (4 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
V. Lipunov,  E. Gorbovskoy, V.Kornilov, N.Tyurina, P.Balanutsa,
A.Kuznetsov,F.Balakin,
V.Vladimirov, D. Vlasenko, I.Gorbunov, D.Zimnukhov, V.Senik, T.Pogrosheva,
D.Kuvshinov(Lomonosov Moscow State University, SAI, Physics Department),
A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo 
Observatory),
R. Podesta, C.Lopez, F. Podesta, C.Francile(Observatorio Astronomico Felix
Aguilar OAFA),
H.Levato(Instituto de Ciencias Astronomicas, de la Tierra y del Espacio ICATE),
R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias),
D. Buckley(South African Astronomical Observatory),
O.A. Gres, N.M. Budnev, O.Ershova (Irkutsk State University, API),
V. Yurkov, A. Gabovich, Yu. Sergienko(Blagoveschensk Educational State
University)

We report the MASTER-Kislovodsk
observation of AT2019wxt (PS19hgw) PanSTARR OT optical transient inside 
80% probability contour of the compact binary merger event S191213g (The
LIGO Scientific Collaboration and the Virgo Collaboration, GCN 26402).

MASTER-Kislovodsk auto-detection system detected OT source at (RA, Dec) 
= 01h 55m 41.97s +31d 25m 03.8s on 2019-12-18.72697 UT.
The OT unfiltered magnitude is ~20m (limit 20.2m).

The OT is seen in ~18 images. There is no minor planet at this place.

The observation and reduction will continue. The message may be cited.
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