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The effects of spacecraft charging and outgassing on the LADEE ion measurements
Xie, Lianghai1; Zhang, Xiaoping1; Zheng, Yongchun1,2; Guo, Dawei1
2017-05-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
卷号122期号:5页码:5825-5834
摘要Abnormal ion signals can be usually seen in the Lunar Atmosphere and Dust Environment Explorer (LADEE) mission, including a suddenly enhanced current observed by the Lunar Dust Experiment (LDEX) near the sunlight-shadow boundary and an unexpected water ion measured by the neutral mass spectrometer (NMS), with their magnitudes insensitive to the convection electric field of solar wind but dependent on the SW density and the elapsed time of LADEE mission. By analyzing both the LDEX measurements and the NMS measurements, we find that the current enhancement can be caused by a negatively charged spacecraft in the shadow region while the significant water ions should be some artificial ions from spacecraft outgassing. The artificial water ions show a peak near 8:00 LT that may be related to a sunlight-controlled surface outgassing. In addition, the H2O flux can be enhanced near the end of the mission when the spacecraft has a lower altitude. It is found that the H2O enhancement is actually caused by an exosphere-contributed return flux, rather than a real water exosphere.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
资助者Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; LADEE Guest Investigator Program(NNX14AR24G) ; LADEE Guest Investigator Program(NNX14AR24G) ; NASA(NAS5-02099) ; NASA(NAS5-02099) ; 020/2014/A1) ; 020/2014/A1) ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; LADEE Guest Investigator Program(NNX14AR24G) ; LADEE Guest Investigator Program(NNX14AR24G) ; NASA(NAS5-02099) ; NASA(NAS5-02099) ; 020/2014/A1) ; 020/2014/A1)
DOI10.1002/2016JA023539
关键词[WOS]LUNAR DUST EXPERIMENT ; ENVIRONMENT EXPLORER MISSION ; NEUTRAL MASS-SPECTROMETER ; ATMOSPHERE ; WAKE ; VARIABILITY
收录类别SCI
语种英语
资助者Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; LADEE Guest Investigator Program(NNX14AR24G) ; LADEE Guest Investigator Program(NNX14AR24G) ; NASA(NAS5-02099) ; NASA(NAS5-02099) ; 020/2014/A1) ; 020/2014/A1) ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; Science and Technology Development Fund (FDCT) of Macau(039/2013/A2 ; LADEE Guest Investigator Program(NNX14AR24G) ; LADEE Guest Investigator Program(NNX14AR24G) ; NASA(NAS5-02099) ; NASA(NAS5-02099) ; 020/2014/A1) ; 020/2014/A1)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000403912500066
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8828
专题月球与深空探测研究部
作者单位1.Macau Univ Sci & Technol, Lunar & Planetary Sci Lab, Macau, Peoples R China
2.Chinese Acad Sci, Natl Astron Observ, Beijing, Peoples R China
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GB/T 7714
Xie, Lianghai,Zhang, Xiaoping,Zheng, Yongchun,et al. The effects of spacecraft charging and outgassing on the LADEE ion measurements[J]. JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,2017,122(5):5825-5834.
APA Xie, Lianghai,Zhang, Xiaoping,Zheng, Yongchun,&Guo, Dawei.(2017).The effects of spacecraft charging and outgassing on the LADEE ion measurements.JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS,122(5),5825-5834.
MLA Xie, Lianghai,et al."The effects of spacecraft charging and outgassing on the LADEE ion measurements".JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS 122.5(2017):5825-5834.
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