GCN Circular 14492
Subject
GRB 130427A : Xinglong TNT optical observation
Event
Date
2013-04-28T17:55:49Z (13 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L.P. Xin, J. Y. Wei, Y. L. Qiu, J. Wang,
J. S. Deng, C. Wu, X.H. Han report on behalf of EAFON team:
We began to observe the field of GRB 130427A (Maselli, et al., GCN 14448)
using 80cm TNT telescope located at Xinglong observatory, China
at 12:52:38 UT on 2013-04-28. We obtained several B, V, R-band images.
The optical counterpart is detected in all images. The prelinary analysis shows that
its brightness is about R=18.3 mag, calibrated with USNO B2 stars,
at the mean time of 29.08 h after the trigger time.
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