Five-year in-orbit background of Insight-HXMT

被引：2

作者：

Liao, Jin-Yuan ^{[1
]}

Zhang, Shu ^{[1
]}

Zhang, Juan ^{[1
]}

Li, Gang ^{[1
]}

Chang, Zhi ^{[1
]}

Chen, Yu-Peng ^{[1
]}

Ge, Ming-Yu ^{[1
]}

Jin, Jing ^{[1
]}

Lu, Xue-Feng ^{[1
]}

You, Yuan ^{[1
]}

Cao, Xue-Lei ^{[1
]}

Chen, Yong ^{[1
]}

Huang, Yue ^{[1
]}

Jiang, Wei-Chun ^{[1
]}

Li, Xiao-Bo ^{[1
]}

Li, Xu-Fang ^{[1
]}

Li, Zheng-Wei ^{[1
]}

Liu, Cong-Zhan ^{[1
]}

Tan, Ying ^{[1
]}

Yang, Yan-Ji ^{[1
]}

Zhang, Yi-Fei ^{[1
]}

Zhao, Hai-Sheng ^{[1
]}

Lu, Fang-Jun ^{[1
,2
,3
]}

Xu, Yu-Peng ^{[1
]}

Qu, Jin-Lu ^{[1
]}

Song, Li-Ming ^{[1
]}

Zhang, Shuang-Nan ^{[1
,4
,5
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, 19B Yuquan Rd, Beijing 100049, Peoples R China

[2] Xiangtan Univ, Key Lab Stellar & Interstellar Phys, Xiangtan 411105, Peoples R China

[3] Xiangtan Univ, Sch Phys & Optoelect, Xiangtan 411105, Peoples R China

[4] Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China

[5] Chinese Acad Sci, Key Lab Space Astron & Technol, Natl Astron Observ, 20A Datun Rd, Beijing 100012, Peoples R China

来源：

RADIATION DETECTION TECHNOLOGY AND METHODS | 2023年 / 7卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Instrumentation; detectors; Space vehicles; instruments; Methods; data analysis; X-rays; general; FLIGHT PERFORMANCE; MODEL; CALIBRATION; TELESCOPE; ONBOARD; DESIGN; BOARD;

D O I：

10.1007/s41605-023-00388-y

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

PurposeWe present the five-year in-orbit background evolution of Insight-HXMT since the launch, as well as the effects of the background model in data analysis.MethodsThe backgrounds of the three main payloads, i.e., low-energy telescope, medium-energy telescope, and high-energy telescope, are described. The evolution of the background over time is obtained by simply comparing the background in every year during the in-orbit operation of Insight-HXMT.ResultsThe major observational characteristics of the Insight-HXMT in-orbit background are presented, including the light curve, spectrum, geographical distribution, and long-term evolution. The systematic error in background estimation is investigated for every year.ConclusionThe observational characteristics of the five-year in-orbit background are consistent with our knowledge of the satellite design and the space environment, and the background model is still valid for the latest observations of Insight-HXMT.

引用

页码：34 / 47

页数：14

共 20 条

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