Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base

Ли Лу; Цин-Лун Ю; Пин Чжоу; Синь Чжан; Сянь-Го Чжан; Синь-Юэ Ван; Юань Чан

doi:10.12737/stp-73202101

УДК 52

SIMULATION STUDY OF THE ENERGETIC NEUTRAL ATOM (ENA) IMAGING MONITORING OF THE GEOMAGNETOSPHERE ON A LUNAR BASE Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base

АА Аа

Опубликовано в Solar-Terrestrial Physics · Том 7, Номер 3 · Страницы 3–10 · Рубрика: Results of current research

DOI: https://doi.org/10.12737/stp-73202101

Получено: 04.06.2021 Одобрено: 07.06.2021 Язык публикаций: ENG

Авторы

ЛИ

Ли Лу

ЦИ

Цин-Лун Ю

ПИ

Пин Чжоу

СИ

Синь Чжан

и др.

СЯ

Сянь-Го Чжан

СИ

Синь-Юэ Ван

ЮА

Юань Чан

ЛИ

Ли Лу

Лаборатория исследования космического пространства, Национальный центр космических наук КАН Китайская Народная Республика · Пекин

Пекинская главная лаборатория исследования космического пространства Китайская Республика · Пекин

Главная научно-техническая лаборатория ситуационной осведомленности о космическом пространстве КАН Китайская Народная Республика · Пекин

ЦИ

Цин-Лун Ю

Пекинская главная лаборатория исследования космического пространства Китайская Народная Республика · Пекин

ПИ

Пин Чжоу

СИ

Синь Чжан

Пекинская главная лаборатория исследования космического пространства Россия · Пекин

СЯ

Сянь-Го Чжан

СИ

Синь-Юэ Ван

ЮА

Юань Чан

Университет КАН Китайская Народная Республика · Пекин

АННОТАЦИЯ

Since the moon’s revolution cycle is exactly the same as its rotation cycle, we can only see the moon always facing Earth in the same direction. Based on the clean particle radiation environment of the moon, a neutral atomic telemetry base station could be established on the lunar surface facing Earth to realize long-term continuous geomagnetic activity monitoring. Using the 20°×20° field of view, the 0.5°×0.5° angle resolution, and the ~0.17 cm²sr geometric factor, a two-dimensional ENA imager is being designed. The magnetospheric ring current simulation at a 4–20 keV energy channel for a medium geomagnetic storm (Kp=5) shows the following: 1) at ~60 Rᴇ (Rᴇ is the Earth radius), the imager can collect 10⁴ ENA events for 3 min to meet the statistical requirements for 2D coded imaging data inversion, so as to meet requirements for the analysis of the substorm ring current evolution process of magnetic storms above medium; 2) the ENA radiation loss puzzles in the magnetopause and magnetotail plasma sheet regions have been deduced and revealed using the 2-D ENA emission model. High spatial-temporal resolution ENA imaging monitoring of these two important regions will provide the measurement basis for the solar wind energy input process and generation mechanism; 3) the average sampling interval of ENA particle events is about 16 ms at the moon’s orbit; the spectral time difference for the set energy range is on the order of minutes, which can provide location information to track the trigger of geomagnetic storm particle events.

КЛЮЧЕВЫЕ СЛОВА

energetic neutral atom (ENA), telemetry image, particle event, magnetosphere, ring current, magnetopause, plasma sheet

Финансирование

This study was supported by the Strategic Priority Program (SPP) on Space Science Advanced Research of Space Science Issues and Payloads (No. XDA 15017100).

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Главный редактор

Жеребцов Гелий Александрович

solater@iszf.irk.ru

Заместитель главного редактора

Степанов Александр Владимирович

stepanov@gaoran.ru

Заместитель главного редактора

Потапов Александр Сергеевич

potapov@iszf.irk.ru

Ответственный секретарь редакции

Полюшкина Наталья Александровна

npol@iszf.irk.ru

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ГОСТ

Ли Л., Цин-Лун Ю., Пин Ч., Синь Ч., Сянь-Го Ч., Синь-Юэ В., Юань Ч. Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base // Solar-Terrestrial Physics. 2021. № 3. С. 3-10. DOI: https://doi.org/10.12737/stp-73202101. (дата обращения: 14.10.2026).

MLA

Ли Лу, Цин-Лун Ю., Пин Ч., Синь Ч., Сянь-Го Ч., Синь-Юэ В., Юань Ч.. "Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base." Solar-Terrestrial Physics 7.3 (2021): 3-10. DOI: https://doi.org/10.12737/stp-73202101.

APA

Ли Л., Цин-Лун Ю., Пин Ч., Синь Ч., Сянь-Го Ч., Синь-Юэ В., Юань Ч. (2021). Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base. Solar-Terrestrial Physics, 7(3), 3-10. https://doi.org/10.12737/stp-73202101

Chicago

Ли Лу, Цин-Лун Ю., Пин Ч., Синь Ч., Сянь-Го Ч., Синь-Юэ В., Юань Ч.. "Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base." Solar-Terrestrial Physics 7, no. 3 (2021): 3-10. https://doi.org/10.12737/stp-73202101.

WIKI

{{cite journal | author = Ли Л., Цин-Лун Ю., Пин Ч., Синь Ч., Сянь-Го Ч., Синь-Юэ В., Юань Ч. | title = Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base | journal = Solar-Terrestrial Physics | year = 2021 | volume = 7 | issue = 3 | pages = 3-10 | doi = 10.12737/stp-73202101 }}

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SIMULATION STUDY OF THE ENERGETIC NEUTRAL ATOM (ENA) IMAGING MONITORING OF THE GEOMAGNETOSPHERE ON A LUNAR BASE Simulation study of the energetic neutral atom (ENA) imaging monitoring of the geomagnetosphere on a lunar base

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