[vsnet-grb-info 12624] GRB 121123A: MASTER-NET optical limit

GCN Circulars gcncirc at capella2.gsfc.nasa.gov
Fri Nov 23 21:37:47 JST 2012


TITLE:   GCN CIRCULAR
NUMBER:  13984
SUBJECT: GRB 121123A: MASTER-NET  optical limit
DATE:    12/11/23 12:37:39 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc at observ.inetcomm.ru>

V.Yurkov, Yu.Sergienko, D.Varda, E.Sinyakov
Blagoveschensk Educational State University, Blagoveschensk

E. Gorbovskoy, V. Lipunov, V.Kornilov, D.Kuvshinov, A.Belinski, 
N.Tyurina, N.Shatskiy, P.Balanutsa, D.Zimnukhov, A.Kuznetsov, V.V.Chazov, 
D.Denisenko,  A.Sankovich
Sternberg Astronomical Institute, Moscow State University

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

V.Krushinski, I.Zalozhnih,  A. Popov
Ural Federal University, Kourovka

A. Tlatov, A.V. Parhomenko, D. Dormidontov, V.Sennik
Kislovodsk Solar Station of the Pulkovo Observatory

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

Claudio Mallamaci, Carlos Lopez and Federico Podest
Observatorio Astronomico Felix Aguilar (OAFA)

MASTER II  robotic telescope (MASTER-Net: http://observ.pereplet.ru) 
located in Blagoveschensk was pointed to the  GRB121123A 100 sec after 
GRB time at 2012-11-23 10:04:21.926 UT.
  On our first (20s exposure) set we haven`t found optical transient 
within SWIFT error-box (Helder et. al., GCN13982).
  The 5-sigma upper limit has been about 16.5 mag
  The field was observed at large (more than 70 deg.) zenith distance.
  The message may be cited.


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