[vsnet-grb-info 3762] GRB 060923C: Xinglong TNT optical observations

[GCN Circulars]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5596
SUBJECT: GRB 060923C: Xinglong TNT optical observations
DATE:    06/09/23 16:24:00 GMT
FROM:    W.K. Zheng at NAOC  <zwk at bao.ac.cn>

M.Zhai, L.P. Xing, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng and
W.K. Zheng on behalf of EAFON report:

We have imaged the field of GRB 060923C with the TNT 0.8m telescope
at Xinglong Observatory.The first image was taken at 13:36:37 UT, 215s
after the burst. A series of  White and R band images were obtained. No
new source were detected in our combined images down to:

Filter Mid_Time(s)  3 sigma limit
---------------------------------
White    487          19.2
 R        1210          20.0

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