A low-energy ion spectrometer with large field of view and wide energy range onboard a Chinese GEO satellite-Reference-Cited by-同舟云学术

A low-energy ion spectrometer with large field of view and wide energy range onboard a Chinese GEO satellite

Published:2023-01-01 Issue:1 Volume:32 Page:
ISSN:2543-6376
Container-title:Open Astronomy
language:en
Short-container-title:

Author:

Shan Xu¹,Miao Bin²,Cao Zhe³,Sun Zhenyu³,Li Yiren²,Liu Kai²,Qu Sanbiao¹,Guo Xingyu¹,Su Zhenpeng²,Shen Chenglong²,Pan Zonghao²,Li Xin²,Hao Xinjun²,Yang Xiaoping⁴,Tian Chao⁵,Jiang Yu⁵,Liu Shubin³,An Qi³,Chen Xiangjun¹,Wang Yuming²⁶

Affiliation:

1. Hefei National Research Center for Physical Sciences at the Microscale, Department of Modern Physics, University of Science and Technology of China , Hefei , 230026 , China

2. Deep Space Exploration Laboratory/School of Earth and Space Sciences, University of Science and Technology of China , Hefei , 230026 , China

3. State Key Laboratory of Particle Detection and Electronics (IHEP-USTC), Department of Modern Physics, University of Science and Technology of China , Hefei , 230026 , China

4. Shandong Institute of Space Electronic Technology , Yantai , 264003 , China

5. State Key Laboratory of Astronautic Dynamics, Xi’an Satellite Control Center , Xi’an 710043 , China

6. CAS Center for Excellence in Comparative Planetology/CAS Key Laboratory of Geospace Environment, University of Science and Technology of China , Hefei , 230026 , China

Abstract

Abstract A low-energy ion spectrometer (LEIS), onboard a Chinese navigation satellite in geosynchronous orbit, is one of the primary instruments for plasma detection. The LEIS is implemented by combining a top-hat electrostatic analyzer with a pair of angular scanning deflectors, which enables us to achieve in situ measurement of energetic ions in three-dimensional (3D) space with a large field of view of 360° × 90° and a wide energy range from 50 eV to 25 keV per charge. The key performance parameters including analyzer constant, geometric factor, linear relation function between elevation angles and deflector voltages, and the energy or angular resolutions have been determined by using detailed simulations and calibration experiments on the ground. The preliminary results from on-orbit observations demonstrate that the capability of the present LEIS payload can well meet the mission requirements for sampling the low-energy ion distributions in 3D space, measuring the negative satellite surface potential, and monitoring the magnetospheric storm or substorm activities.

Publisher

Walter de Gruyter GmbH

Subject

Space and Planetary Science,Astronomy and Astrophysics

Link

https://www.degruyter.com/document/doi/10.1515/astro-2022-0210/pdf

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