Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
Introducing Einstein Probe, Astro Flavored Markdown, and Notices Schema v4.0.0. See news and announcements

GCN Circular 18823

GRB 160104A: Xinglong TNT optical observation
2016-01-04T16:27:58Z (8 years ago)
L.P. Xin at NAOC <>
L. P. Xin,   X. F. Wang,  J. Y. Wei,  Y. L. Qiu,  J. S. Deng, 
J. Wang,  X. H. Han, C. Wu, D. Xu on behalf of EAFON report:
We  observed  GRB 160104A (Melandri et al. GCN 18815)  with 
Xinglong  0.8-m TNT telescope at 11: 26:01UT, 111 sec after the burst.
The optical afterglow (Guidorzi et al., GCN 18816; Saito GCN 18817; 
Yurkov et al., GCN 18820 ) was  detected in our white images.
The brightness of the optical afterglow is about 18.45 mag 
at the mid time  of 121 sec afer the burst,  
calibrated by the USNO B1.0 star (RA=05:07:08  DEC=11:02:02  R2=16.25mag).

The message may be cited.
Looking for U.S. government information and services? Visit