[vsnet-grb-info 5209] GRB 071011: Xinglong TNT Optical afterglow
observations
GCN Circulars
gcncirc at capella.gsfc.nasa.gov
Sat Oct 13 04:51:50 JST 2007
TITLE: GCN CIRCULAR
NUMBER: 6904
SUBJECT: GRB 071011: Xinglong TNT Optical afterglow observations
DATE: 07/10/12 19:51:41 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 observed GRB 071011 beginning at 12:46:05.3 UT,
353s after the burst with TNT 80cm and EST 1m telescopes
at xinglong Observatory, A series of Whiete, R and V band
images were obtained, preliminary analysis shows the
optical afterglow reported by S. B. Cenko (GCN 6895), faded
continuly. Derived from USNO-A2.0 R magnitude,
We find the early time White band magnitude:
---------------------------------------------------
(sec after the burst ) magnitude merr
363.053 17.88143 0.08
407.981 18.02971 0.09
498.701 18.28329 0.10
657.677 18.52271 0.10
834.797 19.55457 0.08
Further analysis is under going.
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