[vsnet-grb-info 4352] GRB 070224: MASTER observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  6138
SUBJECT: GRB 070224: MASTER observations
DATE:    07/02/24 21:03:48 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc at observ.inetcomm.ru>

V. Lipunov, V.Kornilov, D.Kuvshinov, N.Tyurina, A.Belinski, E.Gorbovskoy,
A.Krylov,N.Shatskiy ,G.Borisov, A.Sankovich, G.Antipov, V.Vladimirov
P.Gritsyk

Sternberg Astronomical Institute, Moscow Union 'Optic'
MASTER  robotic system (http://observ.pereplet.ru) responded to GRB070224.9 (GRB_TIME is 2007-02-24 20:27:58.21).
The first image was at 2007-02-24 20:30:04 UT, 51s after notice 
arrivel time and 00:02:05.79  after the GRB time
The unfiltered image is calibrated relative to USNO A2.0 (0.8 R + 0.2 B).
The robot not find OT-candidate in error box brighter then  16.2 (s/n=10).
The JPG-image will be  available at
http://observ.pereplet.ru/images/GRB070224.9/img/i12.jpg
The reduction is continuing.
This message can be cited.
Mailto: lipunov at sai.msu.ru