[vsnet-grb-info 3714] GRB 060904B: Kiso Optical observation

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5548
SUBJECT: GRB 060904B: Kiso Optical observation
DATE:    06/09/08 11:55:05 GMT
FROM:    Yuji Urata at Saitama U  <urata at crystal.heal.phy.saitama-u.ac.jp>

T. Soyano, H. Mito (Tokyo Univ), and Y. Urata (Saitama Univ)
on behalf of EAFON report:

" We have made R-band follow-up observation of GRB 060904B afterglow
(Grup et al.; Rykoff et al; Fugazza et al.) using Kiso 1.05m Schmidt
telescope. The observation was started at 15:27 UT September 4, 2006
and lasted till 19:30. The preliminary analysis shows the optical
afterglow with 21.4+/-0.2 mag at 15.72 hours after the burst.
Further analysis is in progress. 

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