TITLE:   GCN CIRCULAR
NUMBER:  10571
SUBJECT: Master-Net observations on the Swift trigger on LS V +44 17
DATE:    10/04/03 05:54:22 GMT
FROM:    Vladimir Lipunov at Moscow State U/Krylov Obs  <gcncirc@observ.inetcomm.ru>

V.Krushinski, I.Zalozhnih, T.Kopytova, A. Popov Ural State University,
Kourovka


V.Yurkov, Yu.Sergienko, D.Varda, A.Garusina Blagoveschensk Educational State 
University, Blagoveschensk


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

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



K.Ivanov, S.Yazev, N.M.Budnev, E.Konstantinov, V.Lenok
Irkutsk State University


MASTER  robotic telescope (MASTER-Net: http://observ.pereplet.ru, 2x400
mm, FOV=2x4 square degrees)
located at Ural   was responted to the  trigger 418109 (Swift Bat alert,
  Stratt et al, GCN CIRC 10561)   19 sec after  Notice time and  1820 s after 
the  trigger time.

MASTER took  a finding chart synchronous  exposure of 180 seconds with the two 
filters  starting 1820 seconds after the BAT trigger.

Unfortunatelly the  optical star LS V+44 17 are saturated.

The message may be cited.

mailto: lipunov@sai.msu.ru