GCN Circular 15146
Subject
GRB 130831A : Xinglong 60cm optical observation
Date
2013-08-31T19:39:25Z (11 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L. P. Xin, X. H. Han, Y. L. Qiu, J. Y. Wei, J. Wang,
J. S. Deng and C. Wu on behalf of EAFON report:
We began to observe GRB 130831A (Hagen et al. GCN 15139)
with Xinglong 60cm telescope at 15:42:00 (UT),
about 2.7 hours after the burst.
A series of white and R-band images were obtained.
The OT reported by (Hagen et al. GCN 15139, Guidorzi et al. GCN 15140,
Xu et al. GCN 15142; Yoshii et al. GCN 15143, Cucchiara et al. GCN 15144)
was detected in all images. The brightness of this OT was about R=16.6 mag
at 2.7 hours after the burst, calibrated by USNO B1.0 R2 mag.
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