Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 15824

GRB140211A : Xinglong TNT upper limit
2014-02-13T03:37:15Z (10 years ago)
L.P. Xin at NAOC <>
L. P. Xin,   J. Y. Wei,   X. F. Wang, Y. L. Qiu, J. S. Deng,  J. Wang, T. M. Zhang,
X. H. Han and C. Wu on behalf of EAFON report:

We began to observe GRB 140211A  (  Cummings et al., GCN Cir. 15816)
with Xinglong 0.8-m TNT telescope at 12:25:29 (UT) , 146 sec after the burst,
under a bright sky background.

No any new object was detected within the BAT error circular 
(Cummings et al., GCNC 15816) in our combined images,
down to the upper limit of 16.0 mag in R band, calibrated by 
nearby USNO B1.0 R2 mag, at the mean time of 7.2 min after the burst.
Looking for U.S. government information and services? Visit