GCN Circular 17631
Subject
GRB 150323C : Xinglong TNT optical observation
Date
2015-03-24T05:34:21Z (9 years ago)
From
L.P. Xin at NAOC <xlp@bao.ac.cn>
L. P. Xin, X. F. Wang, J. Y. Wei, Y. L. Qiu, J. S. Deng,
J. Wang, X. H. Han and C. Wu on behalf of EAFON report:
We began to observe GRB 150323C (Amaral-Rogers et al., GCN 17621)
with Xinglong 0.8-m TNT telescope at 2015-03-23, 17:07:27(UT),
about 126 sec after the Swift trigger time.
The new source within XRT circle (Amaral-Rogers et al., GCN 17621 )
reported by Xu et al., ( GCN 17625 ) was clearly detected in our coadded images.
Preliminary analysis shows that the brightness of this optical transient
in R band is rising from 21.6 to 20.2 and then decaying,
indicating that this source is the optical afterglow of the burst.
All the magnitudes are calibrated by a nearby USNO B1.0 object
( RA: 16:50:26 DEC: 50:11:48, R2=16.47mag ).
The message may be cited.