GCN Circular 15379
Subject
GRB 131024B : Xinglong TNT upper limit
Date
2013-10-25T13:48:56Z (11 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L. P. Xin, J. Y. Wei, Y. L. Qiu, J. S. Deng, J. Wang,
X. H. Han and C. Wu on behalf of EAFON report:
We began to observe GRB 131024B (Krimm et al., GCN 15371)
with Xinglong 0.8-m TNT telescope at 21:38:56 (UT),
about 3.4 min after the burst. 3*300 sec R-band images were obtained.
No any optical counterpart within the XRT error circle was detected
down to a limit of 18.4 mag in R band, calibrated by USNO B1.0 R2mag
at the mean time of 11.25 min after the burst.
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