GCN Circular 19466
Subject
GRB 160525B: Nanshan optical upper limit
Date
2016-05-25T21:32:53Z (8 years ago)
From
Dong Xu at NAOC/CAS <dxu@nao.cas.cn>
D. Xu, Y.-H. Han (both NAOC/CAS), S.-G. Ma, A. Esamdin, J.-Z. Liu, L. Ma
(all XAO) report:
We observed the field of GRB 160525B (Krimm et al., GCN 19459) using the
1m telescope located at Nanshan, Xinjiang, China. We obtained 5x300s
R-band frames, starting at 15:26:24 UT on 2016-05-25, i.e., 6.02 hr
after the burst.
No optical source is detected at the XRT position (Beardmore et al., GCN
19463) in the stacked image, down to a limiting magnitude of m(R)>21.5,
calibrated with the nearby SDSS field.