GCN Circular 14623
Subject
GRB 130511A: Upper limit by Xinglong TNT optical observation
Event
Date
2013-05-11T15:14:12Z (12 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 130511A (Krimm et al. GCN 14620)
using 80cm TNT telescope located at Xinglong observatory, China,
at 41.9 min after the burst on 12:12:41 UT, May 11th, 2013.
15*300sec R-band images was obtained.
The reported optical counterpart (Krimm et al. GCN 14620; Cucchiara et a. GCN 14621)
was not detected in all single images and the combined image,
down to the upper limit of R~19.6 mag calibrated by USNO B1.0 R2 mag,
at the mean time of 62.3 min after the trigger time.
This message may be cited.