GCN Circular 23409
Subject
GRB 181028A: Insight-HXMT/HE detection
Date
2018-11-05T05:15:22Z (6 years ago)
From
Ce Cai at IHEP <caice@ihep.ac.cn>
C. Cai, C. K. Li, X. B. Li, G. Li, J. Y. Liao, S. L. Xiong,
C. Z. Liu, X. F. Li, Z. W. Li, Z. Chang, J. L. Zhao,
A. M. Zhang, Y. F. Zhang, X. F. Lu, C. L. Zou (IHEP), Y. J. Jin,
Z. Zhang (THU), T. P. Li (IHEP/THU), F. J. Lu, L. M. Song,
H. Y. Wang, M. Wu, Y. P. Xu, S. N. Zhang (IHEP),
report on behalf of the Insight-HXMT team:
At 2018-10-28T14:09:43.000 (T0), the Insight-HXMT/HE detected
GRB 181028A (trigger ID: HEB181028590) in a routine search of the data,
which was also triggered by Fermi/LAT (Axelsson et al.,GCN 23386);
Fermi/GBM (Bissaldi et al.,GCN 23387);
IPN Triangulation (Hurley et al.,GCN 23388);
Konus-Wind observation (Kozlova et al., GCN 23393);
CALET/GBM (A. Yoshida et al., GCN 23399).
The Insight-HXMT/HE light curve mainly consists of multiple
pulses with a duration (T90) of 23.58 s measured from T0-4.53 s.
The 1-s peak rate, measured from T0+14.63 s, is 1351.0 cnts/s.
The total counts from this burst is 11055.5 counts.
URL_LC: http://www.hxmt.org/images/GRB/HEB181028590_lc.jpg
All measurements above are made with the CsI detectors operating in the
GRB mode with the energy range of about 200-3000 keV (record energy).
Only gamma-rays with energy greater than about 200 keV can penetrate
the spacecraft and leave signals in the CsI detectors installed inside
of the telescope.
Insight-HXMT is the first Chinese space X-ray telescope, which was
fundedjointly by the China National Space Administration (CNSA) and
the Chinese Academy of Sciences (CAS).
More information could be found at: http://www.hxmt.org.