Wide-field X-ray monitor for HETE-II

被引：1
|
作者：
Shirasaki, Y
Matsuoka, M
Kawai, N
Yoshida, A
Namiki, M
Sakurai, I
Takagishi, K
Yamauchi, M
Hatsukade, I
Fenimore, EE
Galassi, H
机构：
[1] Inst Phys & Chem Res, Wako, Saitama 3510198, Japan
[2] Miyazaki Univ, Miyazaki 8892192, Japan
[3] Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA
来源：
BROAD BAND X-RAY SPECTRA OF COSMIC SOURCES | 2000年 / 25卷 / 3-4期
关键词：
D O I：
10.1016/S0273-1177(99)00862-5
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The re-flight of the High Energy Transient Explorer (HETE) is scheduled in 1999. The Wide-field X-ray Monitor (WXM) is one of the two X-ray detector systems on HETE employed for localizing gamma-ray bursts in real time. It has larger effective area and thus is more sensitive to weaker bursts than the Soft X-ray Camera (SXC), the other position-sensitive instrument which uses CCDs to achieve filler resolution. WXM consists of four Xe-filled 1-D position-sensitive proportional counters, two in the X-direction and two in the Y-direction. The proportional counters and electronics are provided by RIKEN and Miyazaki University, while the coded aperture and on-board localization software is provided by Los Alamos National Laboratory. It is sensitive to X-rays between 2 keV and 25 keV, and is expected to localize gamma-ray bursts with similar to 10' accuracy. We report the preparation status of the hardware, and present the expected performance of WXM. (C) 2000 COSPAR. Published by Elsevier Science Ltd.
引用
收藏
页码：893 / 896
页数：4
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