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GCN Circular 12503

GRB 111029A: TNT optical upper limit
2011-10-29T13:30:29Z (13 years ago)
L.P. Xin at NAOC <>
L.P. Xin,  J.Y. Wei, Y. L. Qiu,  J. Wang, J.S. Deng, 
C. Wu, X. H. Han on behalf of EAFON report:

We began to observe GRB 111029A (Troja  al., GCN 12498)
with Xinglong TNT telescope at 10:35:49 (UT), about 51 min  after 
the burst.  15 R-band images were obtained under a bad seeing. 
No new source was detected in the combined R band image within 
the errorbox of XRT position. The upper limit was estimated 
to be about 19.6 mag derived from USNO B1.0 R2mag. 

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For more information about Xinglong GRBs Follow-up
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[GCN OPS NOTE(30oct11): The "110929A" was corrected to "111029A";
see correction Circ 12510.]
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