[vsnet-grb-info 17524] GRB160131A: Xinglong TNT optical observation

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  18954
SUBJECT: GRB160131A:  Xinglong TNT optical observation
DATE:    16/01/31 11:02:19 GMT
FROM:    L.P. Xin at NAOC  <xlp at bao.ac.cn>

L. P. Xin,   X. F. Wang,  J. Y. Wei,  Y. L. Qiu,  J. S. Deng,  X. M. Meng
D. Xu, J. Wang,  X. H. Han and C. Wu on behalf of EAFON report:

We  observed  GRB 160131A (Page et al. GCN 18951)  with
Xinglong  0.8-m TNT telescope at 10:22:09UT,  about 2 hours after the burst.
The optical afterglow (Page et a.., GCN 18951, YurKov et al., GCN 18952)
 was  detected in our white, B, and R, I-band images. 
The brightness of the optical afterglow is about 16.1 mag
at the mid time  of 118 min afer the burst,  calibrated by 
the USNO B1.0 star (RA=05:12:39.8  DEC=-7:02:02  R2=15.51mag).
 
The message may be cited.