[vsnet-grb-info 6185] GRB 080603B : Xinglong EST observations

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  7814
SUBJECT: GRB 080603B : Xinglong EST observations 
DATE:    08/06/04 17:43:05 GMT
FROM:    W.K. Zheng at NAOC  <zwk at bao.ac.cn>

L.P.Xin, Q.C.Feng, M.Zhai, Y.L.Qiu, J.Y.Wei, J.Y.Hu, J.S.Deng,
J.Wang, Y.Urata and W.K.Zheng on behalf of EAFON report:

Xinglong EST started to observe the GRB080603B (Mangano et al.,
GCN 7794) from 14:42 UT Jun 04 with R and V filters. with the
same calibration star as used in GCN7803 (Zhuchkov et al.)
USNO-A2 1575-03195804 R=13.8 mag, we estimated the brightness
of OT R ~ 20.3 +/- 0.15, which is consistent with the powler
decay after the break given it GCN7803. Observation is still
under going.
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