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GCN Circular 3081

Subject
GRB 050309 : Lulin R-band observation
Date
2005-03-09T12:47:01Z (20 years ago)
From
Kuiyun Huang at IANCU <d919003@astro.ncu.edu.tw>
GRB 050309 : Lulin R-band observation

H.Hsieh, R.Mann (IfAUH)
K.Y. Huang, W.H. Ip (NCU), Y. Urata, T. Tamagawa (RIKEN),
Y. Qiu (BAO), Y.Q. Lou(THCA) on behalf of the East Asian collaboration
report:

 We observed the SWIFT/BAT error region for GRB 050309 (trigger
no. 107873) using Lulin 1-m telescope at Taiwan. We imaged a single
R-band 300 sec exposure at 11.14 UT (~ 25 mins after the burst
). Compare with DSS-II image, no new object was found. The limiting
magnitude is about 19 mag ( S/N=3 , with USNOB1.0 catalogue).


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