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GCN Circular 3334

GRB 050502b : optical observation at Lulin observatory
2005-05-02T15:47:37Z (19 years ago)
Yuji Urata at RIKEN <>
K. Sanchawala, W.L. Wu, K.Y. Huang, W.H. Ip(NCU),
Y. Qiu, W. Zhou (BAO), Y.Q. Lou (THCA), Y. Urata (RIKEN) 
on behalf of the EAFON report:

" We have imaged the Swift XRT position of GRB 050502b (Pagani. C. et
al., GCN 3333) using 1-m telescope at Lulin Observatory, Taiwan. The R
band observations started from 13.45 UT (~ 3.98 hours after the
burst).  The limiting magnitude of R-band co-added image is R~21.8
compared with USNO-B1.0 stars.  No source was detected under the
limiting magnitude at the XRT position."

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