[AAVSO-HEN] GRB 070518: OT confirmed form Xinglong TNT observation

[grb at aavso.org]

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TITLE:   GCN CIRCULAR
NUMBER:  6416
SUBJECT: GRB 070518: OT confirmed form Xinglong TNT observation
DATE:    07/05/18 16:06:03 GMT
FROM:    L.P. Xin at NAOC  <xlp at bao.ac.cn>

L.P. Xin, M.Zhai, Y.L. Qiu, J.Y. Wei, J.Y. Hu, J.S. Deng,
Y. Urata, and W.K. Zheng on behalf of EAFON report:
 
We have imaged the field of GRB 070518 (C. Guidorzi et al., GCN 6415)
with the TNT 0.8m and EST 1m telescope at Xinglong Observatory started
from 14:34:53 UT, 512s after the burst. Observation were performed with
White, R, V and I filter, we estimate the OT has faded to ~ R=19.84 derieved 
form USNO A-2.0, 32.73 minutes after the burst
Observation is still undergoing, deep observation are encouraged.
 
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