Skip to main content
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 6904

GRB 071011: Xinglong TNT Optical afterglow observations
2007-10-12T19:51:41Z (17 years ago)
L.P. Xin at NAOC <>
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.
This message may be cited.
Looking for U.S. government information and services? Visit