[vsnet-grb-info 19514] GRB 170606A CALET Gamma-Ray Burst Monitor detection
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Fri Jun 16 12:46:27 JST 2017
TITLE: GCN CIRCULAR
NUMBER: 21254
SUBJECT: GRB 170606A CALET Gamma-Ray Burst Monitor detection
DATE: 17/06/16 03:45:35 GMT
FROM: Takanori Sakamoto at AGU <tsakamoto at phys.aoyama.ac.jp>
K. Yamaoka (Nagoya U), A. Yoshida, T. Sakamoto, Y. Kawakubo, M. Moriyama,
Y. Yamada, A. Tezuka, S. Matsukawa (AGU), S. Nakahira (RIKEN), I. Takahashi (IPMU),
Y. Asaoka, S. Ozawa, S. Torii (Waseda U), Y. Shimizu, T. Tamura (Kanagawa U),
W. Ishizaki (ICRR), M. L. Cherry (LSU), S. Ricciarini (U of Florence),
A. V. Penacchioni, P. S. Marrocchesi (U of Siena)
and the CALET collaboration:
The long-duration GRB 170606A (Fermi-GBM trigger #518483662)
triggered the CALET Gamma-ray Burst Monitor (CGBM) at 23:14:14.82
on 6 June 2017. The burst signal was seen only by the SGM instrument.
The light curve of the SGM shows a single peak. The emission starts
at T+3 sec, peaks at T+4.5 sec and ends at T+8 sec. The T90 duration
measured by the SGM data is 3.9 +- 0.4 sec (40-1000 keV).
The light curve is available at
http://cgbm.calet.jp/cgbm_trigger/flight/1180825585/
The CALET data used in this analysis are provided by the Waseda
CALET Operation Center located at the Waseda University.
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