First direct detection of ions originating from the Moon by MAP-PACE IMA onboard SELENE (KAGUYA)

Shoichiro Yokota; Yoshifumi Saito; Kazushi AsamuraTakaaki TanakaMasaki N. NishinoHideo TsunakawaHidetoshi ShibuyaMasaki MatsushimaHisayoshi ShimizuFutoshi TakahashiMasaki FujimotoToshifumi MukaiToshio Terasawa

首页> 外文期刊>Geophysical Research Letters >First direct detection of ions originating from the Moon by MAP-PACE IMA onboard SELENE (KAGUYA)

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First direct detection of ions originating from the Moon by MAP-PACE IMA onboard SELENE (KAGUYA)

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摘要

The Moon has no global intrinsic magnetic field and only has a very thin atmosphere. Ion measurements made from lunar orbit provide us with information regarding interactions between the solar wind and planetary surface, the surface composition through secondary ion mass spectrometry and the source and loss mechanisms of planetary tenuous atmosphere. An ion energy mass spectrometer MAP-PACE IMA onboard a lunar orbiter SELENE (KAGUYA) has detected low-energy ions at 100-km altitude. The MAP-PACE measurements have elucidated that the ions originate from the lunar surface and exosphere and that the ions are at least composed of He', CF, 0~+, Na~+ and K~+ Following the discovery of the lunar Na and K exospheres by the ground-based observation, MAP-PACE IMA have found the He, C and 0 exospheres around the Moon.

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来源
《Geophysical Research Letters》 |2009年第11期|L11201:1-L11201:4|共4页
作者
Shoichiro Yokota; Yoshifumi Saito; Kazushi AsamuraTakaaki TanakaMasaki N. NishinoHideo TsunakawaHidetoshi ShibuyaMasaki MatsushimaHisayoshi ShimizuFutoshi TakahashiMasaki FujimotoToshifumi MukaiToshio Terasawa;
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作者单位

Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan.;

Department of Earth and Planetary Sciences, Tokyo Institute of Technology, Tokyo, Japan.;

Department of Earth Science, Kumamoto University, Kumamoto,Japan.Department of Earth and Planetary Science, University of Tokyo,Tokyo, Japan.Earthquake Research Institute, University of Tokyo, Tokyo, Japan.Department of Physics, Tokyo Institute of Technology, Tokyo, Japan.;

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正文语种英语
中图分类地球物理学;
关键词
composition; atmosphere; measurements;

First direct detection of ions originating from the Moon by MAP-PACE IMA onboard SELENE (KAGUYA)

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