[vsnet-grb-info 2284] GRB 051021 : optical afterglow observation at Lulin

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  4123
SUBJECT: GRB 051021 : optical afterglow observation at Lulin
DATE:    05/10/21 19:19:48 GMT
FROM:    Kuiyun Huang at IANCU  <d919003 at astro.ncu.edu.tw>

GRB 051021 : optical afterglow observation at Lulin

H.H. Hsieh (IfAUH), M.S. Chang, K.Y. Huang, W.H. Ip (NCU), Y. Urata
(RIKEN), Y. Qiu (BAO) on behalf of the East Asian collaboration
report:

 The R-band observations of GRB 051021 (Yoshida et al., GCN 4116) were
taken by Lulin 1-m telescope, Taiwan.  The optical afterglow reported
by Fox et al.(GCN 4120) was detected clearly in our R-band
images. Compared with USNOB stars, the R band magnitude of afterglow
is about 19.8 at 15.859 UT (~ 2.48 hrs after the burst).

Further observations are on going. 
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