Skip to main content
New! October 18 GCN Classic Outage and Schema v4.2.0. See news and announcements

GCN Circular 14571

Subject
GRB 130505A: Xinglong TNT optical observations
Date
2013-05-05T14:32:29Z (11 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L. P. Xin, J. Y. Wei, Y. L. Qiu,  J. Wang, 
J. S. Deng, C. Wu, X. H. Han  report on behalf of EAFON team:

We began to observe the field of GRB 130505A  (Cannizzo, et al., GCN 14563)
using  80cm TNT telescope located at Xinglong observatory, China
at 12:25:39 UT on 2013-05-05.  We obtained several R-band images.  

The reported optical counterpart (Cannizzo, et al., GCN 14563) is detected in all images. 
A prelinary analysis shows that its brightness is decaying from R~18.05 to R~18.68 mag
during  4.05h and 4.85h after the trigger time. 
These magnitudes are calibrated with USNO B1.0 R2 stars, 

This message may be cited.
Looking for U.S. government information and services? Visit USA.gov