In-Orbit Performance of WXM (Wide-Field X-Ray Monitor)
著者
和文:
Kawai, N.,
Yoshida, A.,
Matsuoka, M.,
Shirasaki, Y.,
Tamagawa, T.,
Torii, K.,
Sakamoto, T.,
Takahashi, D.,
Fenimore, E.,
Galassi, M.,
Tavenner, T.,
Lamb, D. Q.,
Graziani, C.,
Donaghy, T.,
Vanderspek, R.,
Yamauchi, M.,
Takagishi, K.,
Hatsukade, I. .,
河合誠之.
英文:
Kawai, N.,
Yoshida, A.,
Matsuoka, M.,
Shirasaki, Y.,
Tamagawa, T.,
Torii, K.,
Sakamoto, T.,
Takahashi, D.,
Fenimore, E.,
Galassi, M.,
Tavenner, T.,
Lamb, D. Q.,
Graziani, C.,
Donaghy, T.,
Vanderspek, R.,
Yamauchi, M.,
Takagishi, K.,
Hatsukade, I. .,
Nobuyuki Kawai.
言語
English
掲載誌/書名
和文:
英文:
Gamma-Ray Burst and Afterglow Astronomy 2001: A Workshop Celebrating the First Year of the HETE Mission
巻, 号, ページ
Vol. 662
pp. 25-32
出版年月
2003年4月
出版者
和文:
英文:
会議名称
和文:
英文:
開催地
和文:
英文:
アブストラクト
The Wide-field X-ray Monitor (WXM) is one of the three main scientific instruments on HETE-2, and is designed to measure the light curves, spectra, and locations of gamma-ray bursts (GRBs) and other transients in the energy range of 2-25 keV. It consists of Xe-filled 1-D position-sensitive proportional counters equipped with two 1-D coded apertures in orthogonal directions with a field of view of 40° × 40°. The sophisticated onboard processing allows the localization of GRBs in real time with ~ 10' accuracy based on the alerts from FREGATE, the gamma-ray detector. The WXM also triggers on its own count time history with a flexible algorithm and can localize X-ray events on various time scales. We present the design and basic characteristics of the detectors, the handling of the data, the in-flight performance, and some of the early observations.
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