GCN Circular 6908
Subject
GRB 20071013: Xinglong TNT optical Upper Limit
Event
Date
2007-10-13T14:11:24Z (18 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L.P. Xin, M. Zhai, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng,
J.Wang and W.K. Zheng on behalf of EAFON report:
We have imaged the field of GRB 071013(Marshall et al.,
GCN 6907) with the TNT 0.8m telescope at Xinglong
Observatory started from 12:14:08 UT , 289s after
the burst. A series of White and R band images were
obtained, no new source was found in our combined
images within the error region of the BAT.
The 3-sigma limit derived form USNO-B1.0 R mag is
------------------------------------
Band Mid time Exp time Limit Mag
White 504s 19*20s 20.0
R 1538s 20*60s 20.2
Further observation is under going.
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