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GCN Circular 27943

Subject
GRB 200613A: Xinglong-2.16m optical observations
Date
2020-06-14T15:46:06Z (4 years ago)
From
Dong Xu at NAOC/CAS <dxu@nao.cas.cn>
Z.P. Zhu, X. Liu, S.Y. Fu, D. Xu, J. Zheng, A.Y. Zhou (NAOC) report:

We observed the field of GRB 200613A (Fermi GBM team, GCN 27926; 
Bissaldi et al., GCN 27930; Ohno et al., GCN 27931) using the 
Xinglong-2.16m telescope equipped with the BFOSC camera. Observations 
were carried out starting at 12:44:18 UT on 2020-06-14, and 5x300s 
R-band frames were obtained.

The previously reported afterglow (e.g., Kann et al., GCN 27935; Kennea 
et al., GCN 27936; Pozanenko et al., GCN 27937; Izzo et al., GCN 27939) 
is clearly detected in our stacked image, with R = 19.45 +/- 0.05 mag 
(at Tmid-T0 = 1.266 days post-burst), calibrated with nearby Pan-STARRS1.
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