The Medium Energy X-ray telescope (ME) onboard the Insight-HXMT astronomy satellite

被引：129

作者：

Cao, XueLei ^{[1
]}

Jiang, WeiChun ^{[1
]}

Meng, Bin ^{[1
]}

Zhang, WanChang ^{[1
]}

Luo, Tao ^{[1
]}

Yang, Sheng ^{[1
]}

Zhang, ChunLei ^{[1
]}

Gu, YuDong ^{[1
]}

Sun, Liang ^{[1
]}

Liu, XiaoJing ^{[1
]}

Yang, JiaWei ^{[1
]}

Li, Xian ^{[1
]}

Tan, Ying ^{[1
]}

Liu, ShaoZhen ^{[1
]}

Du, YuanYuan ^{[1
]}

Lu, FangJun ^{[1
]}

Xu, YuPeng ^{[1
,3
]}

Guan, Ju ^{[1
]}

Zhang, ShuangNan ^{[1
]}

Wang, HuanYu ^{[1
]}

Li, TiPei ^{[1
,2
,7
]}

Zhang, ChengMo ^{[1
]}

Wen, XiangYang ^{[1
]}

Qu, JinLu ^{[1
]}

Song, LiMing ^{[1
]}

Li, XiaoBo ^{[1
]}

Ge, MingYu ^{[1
]}

Zhou, YuPeng ^{[3
]}

Xiong, ShaoLin ^{[1
]}

Zhang, Shu ^{[1
]}

Zhang, YongJie ^{[1
]}

Cheng, ZeHao ^{[4
]}

Zhang, Fei ^{[1
]}

Li, MaoShun ^{[1
]}

Liang, XiaoHua ^{[1
]}

Gao, Min ^{[1
]}

Yang, EnBo ^{[5
]}

Liu, XiaoHang ^{[6
]}

Liu, HongWei ^{[1
]}

Yang, YiJung ^{[1
]}

Zhang, Fan ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China

[2] Tsinghua Univ, Dept Engn Phys, Beijing 100084, Peoples R China

[3] Beijing Inst Spacecraft Syst Engn, Beijing Key Lab Space Thermal Control Technol, Beijing 100094, Peoples R China

[4] Univ Sci & Technol China, Dept Modern Phys, Sch Phys Sci, Hefei 230022, Peoples R China

[5] Guizhou Univ, Sch Phys Sci, Guiyang 550025, Peoples R China

[6] Yantai Univ, Sch Optoelect Informat Sci & Technol, Yantai 264005, Peoples R China

[7] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2020年 / 63卷 / 04期

关键词：

dSi-PIN; ASIC; medium energy X-ray; DETECTORS;

D O I：

10.1007/s11433-019-1506-1

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The Medium Energy X-ray telescope (ME) is one of the three main telescopes on board the Insight hard X-ray modulation telescope (Insight-HXMT) astronomy satellite. ME contains 1728 pixels of Si-PIN detectors sensitive in 5-30 keV with a total geometrical area of 952 cm(2). The application specific integrated circuit (ASIC) chip, VA32TA6, is used to achieve low power consumption and low readout noise. The collimators define three kinds of field of views (FOVs) for the telescope, 1 degrees x4 degrees, 4 degrees x4 degrees, and blocked ones. Combination of such FOVs can be used to estimate the in-orbit X-ray and particle background components. The energy resolution of ME is similar to 3 keV at 17.8 keV (FWHM) and the time resolution is 255 mu s. In this paper, we introduce the design and performance of ME.

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