Imaging performance of wide-field X-ray Transient Localization Experiment onboard microsatellite KOYOH

被引：0

作者：

Sawano, T. ^{[1
]}

Suzuki, T. ^{[1
]}

Yonetoku, D. ^{[1
]}

Arimoto, M. ^{[1
]}

Yoshida, T. ^{[1
]}

Mihara, T. ^{[2
]}

Takahashi, N. ^{[1
]}

机构：

[1] Kanazawa Univ, Coll Sci & Engn, Sch Math & Phys, Kanazawa, Ishikawa 9201192, Japan

[2] RIKEN, Wako, Saitama 3510198, Japan

来源：

JOURNAL OF INSTRUMENTATION | 2024年 / 19卷 / 03期

关键词：

Imaging spectroscopy; X-ray detectors;

D O I：

10.1088/1748-0221/19/03/C03045

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We designed a flight model of the wide field X-ray imager on board the microsat KOYOH, referred to as T-LEX, and investigated its imaging performance through laboratory beam tests. T-LEX employs the coded mask method, wherein the aperture pattern of the mask was selected and fabricated from 50,000 patterns using a Monte Carlo approach. Utilizing the obtained mask along with a silicon strip detector, we examined the angular response by varying the incident angle with a stage during X-ray irradiation. The resulting angular response exhibited deviations from the design values, yet it confirmed that the targeted position accuracy of 15 arcminutes is maintained across a range from -20deg to +20deg with the best fit calibrated model.

引用

页数：9

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