[vsnet-grb-info 18330] GRB 160802A: CALET Gamma-Ray Burst Monitor detection

[GCN Circulars]

TITLE:   GCN CIRCULAR
NUMBER:  19778
SUBJECT: GRB 160802A: CALET Gamma-Ray Burst Monitor detection
DATE:    16/08/05 15:57:05 GMT
FROM:    Takanori Sakamoto at AGU  <tsakamoto at phys.aoyama.ac.jp>

T. Tamura (Kanagawa U), A. Yoshida, T. Sakamoto, Y. Kawakubo, M. Moriyama,
Y. Yamada (AGU), K. Yamaoka (Nagoya U), S. Nakahira (JAXA), I. Takahashi (IPMU),
Y. Asaoka, S. Ozawa, S. Torii (Waseda U), Y. Shimizu (Kanagawa U), W. Ishizaki (ICRR),
M. L. Cherry (LSU), S. Ricciarini (U of Florence), P. S. Marrocchesi (U of Siena)
and the CALET collaboration:

The long-duration GRB 160802A (Bissaldi et al., GCN Circ. 19754;
Panasyuk et al., GCN Circ. 19759; Kozlova et al., GCN Circ. 19767)
triggered the CALET Gamma-ray Burst Monitor (CGBM) at 6:13:28.85 on
2 August 2016.  The burst signal was seen by all CGBM instruments.

The light curve of the SGM shows two episodes.  The first episode
has a FRED-like structure with several pulses.  The emission starts
at T0 and ends at T+7 sec.  The second episode starts at T+17 sec,
peaks at T+18 sec and ends at T+22 sec.  The T90 duration measured by the
SGM data is 16.1 +- 0.1 sec (40-1000 keV).

The light curve is available at

http://cgbm.calet.jp/cgbm_trigger/flight/1154153496/

The CALET data used in this analysis are provided by the Waseda
CALET Operation Center located at the Waseda University.