The Lunar Environment Heliophysics X-ray Imager (LEXI) Mission.

IF 11.3 1区化学 Q1 CHEMISTRY, PHYSICAL ACS Catalysis Pub Date : 2024-01-01 Epub Date: 2024-05-14 DOI:10.1007/s11214-024-01063-4

B M Walsh, K D Kuntz, S Busk, T Cameron, D Chornay, A Chuchra, M R Collier, C Connor, H K Connor, T E Cravens, N Dobson, M Galeazzi, H Kim, J Kujawski, C K Paw U, F S Porter, V Naldoza, R Nutter, R Qudsi, D G Sibeck, S Sembay, M Shoemaker, K Simms, N E Thomas, E Atz, G Winkert

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Abstract

The Lunar Environment heliospheric X-ray Imager (LEXI) is a wide field-of-view soft X-ray telescope developed to study solar wind-magnetosphere coupling. LEXI is part of the Blue Ghost 1 mission comprised of 10 payloads to be deployed on the lunar surface. LEXI monitors the dayside magnetopause position and shape as a function of time by observing soft X-rays (0.1-2 keV) emitted from solar wind charge-exchange between exospheric neutrals and high charge-state solar wind plasma in the dayside magnetosheath. Measurements of the shape and position of the magnetopause are used to test temporal models of meso- and macro-scale magnetic reconnection. To image the boundary, LEXI employs lobster-eye optics to focus X-rays to a microchannel plate detector with a 9.1 ${}^{\circ}\times {9.1}^{\circ}$ field of view.

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月球环境太阳物理学 X 射线成像仪（LEXI）任务。

月球环境日光层 X 射线成像仪（LEXI）是为研究太阳风-磁层耦合而开发的宽视场软 X 射线望远镜。LEXI 是蓝幽灵 1 号任务的一部分，由 10 个有效载荷组成，将部署在月球表面。LEXI 通过观测外大气层中性物质和日侧磁鞘中高电荷态太阳风等离子体之间太阳风电荷交换发出的软 X 射线（0.1-2 千伏），监测日侧磁鞘位置和形状随时间的变化。对磁层顶形状和位置的测量用于检验中尺度和大尺度磁重联的时间模型。为了对边界进行成像，LEXI 采用了龙虾眼光学技术，将 X 射线聚焦到具有 9.1×∘9.1∘ 视场的微通道板探测器上。

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来源期刊

ACS Catalysis CHEMISTRY, PHYSICAL-

CiteScore

20.80

自引率

6.20%

发文量

1253

审稿时长

1.5 months

期刊介绍： ACS Catalysis is an esteemed journal that publishes original research in the fields of heterogeneous catalysis, molecular catalysis, and biocatalysis. It offers broad coverage across diverse areas such as life sciences, organometallics and synthesis, photochemistry and electrochemistry, drug discovery and synthesis, materials science, environmental protection, polymer discovery and synthesis, and energy and fuels. The scope of the journal is to showcase innovative work in various aspects of catalysis. This includes new reactions and novel synthetic approaches utilizing known catalysts, the discovery or modification of new catalysts, elucidation of catalytic mechanisms through cutting-edge investigations, practical enhancements of existing processes, as well as conceptual advances in the field. Contributions to ACS Catalysis can encompass both experimental and theoretical research focused on catalytic molecules, macromolecules, and materials that exhibit catalytic turnover.