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MESSENGER observations of the energization and heating of protons in the near-Mercury magnetotail
Sun, W. J.1,2,3; Raines, J. M.4; Fu, S. Y.3; Slavin, J. A.4; Wei, Y.1,5; Poh, G. K.4; Pu, Z. Y.3; Yao, Z. H.6; Zong, Q. G.3; Wan, W. X.1,5
2017-08-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
卷号44期号:16页码:8149-8158
摘要The energization and heating processes for protons in the near-Mercury tail are examined with MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) observations. In a case study, suprathermal proton particle flux (STPF) and proton temperature are observed to be clearly enhanced during near-Mercury substorm dipolarizations, indicating the proton energization and heating processes. STPF and proton temperature distributions in near-Mercury central plasma sheets display dawn-dusk asymmetries, with higher values in the dawnside plasma sheet, i.e., postmidnight, than in the duskside, i.e., premidnight. Further investigations reveal that these asymmetries are more prominent during active periods in Mercury's magnetosphere, as compared to quiet periods. Magnetic field variations in the Z(MSM) component display a similar feature, with variations being more prominent on the dawnside than the duskside during active periods. We propose that the dawn-dusk asymmetry in the distributions of protons could be due to the fact that more substorm dipolarizations were initiated on the dawnside of Mercury's magnetotail.
文章类型Article
关键词Proton Energization And Heating Substorm At Mercury Dipolarization Dawn-dusk Distributions Suprathermal Particle Flux
WOS标题词Science & Technology ; Physical Sciences
资助者NASA Discovery Program(NASW-00002 ; NASA Discovery Program(NASW-00002 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; National Nature Science Foundation of China(41704163 ; National Nature Science Foundation of China(41704163 ; Thousand Young Talents Program of China ; Thousand Young Talents Program of China ; NASA(NNX15AJ68G ; NASA(NNX15AJ68G ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; NAS5-97271) ; NAS5-97271) ; 41525016 ; 41525016 ; NNX16AJ67G) ; NNX16AJ67G) ; 41474155 ; 41474155 ; 41474139 ; 41474139 ; 41661164034) ; 41661164034) ; NASA Discovery Program(NASW-00002 ; NASA Discovery Program(NASW-00002 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; National Nature Science Foundation of China(41704163 ; National Nature Science Foundation of China(41704163 ; Thousand Young Talents Program of China ; Thousand Young Talents Program of China ; NASA(NNX15AJ68G ; NASA(NNX15AJ68G ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; NAS5-97271) ; NAS5-97271) ; 41525016 ; 41525016 ; NNX16AJ67G) ; NNX16AJ67G) ; 41474155 ; 41474155 ; 41474139 ; 41474139 ; 41661164034) ; 41661164034)
DOI10.1002/2017GL074276
关键词[WOS]PLASMA SHEET ; MAGNETIC-FIELD ; SPATIAL-DISTRIBUTION ; GEOTAIL OBSERVATIONS ; KAPPA-DISTRIBUTIONS ; LOW-ENERGY ; MAGNETOSPHERE ; PARTICLE ; RECONNECTION ; ELECTRONS
收录类别SCI
语种英语
资助者NASA Discovery Program(NASW-00002 ; NASA Discovery Program(NASW-00002 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; National Nature Science Foundation of China(41704163 ; National Nature Science Foundation of China(41704163 ; Thousand Young Talents Program of China ; Thousand Young Talents Program of China ; NASA(NNX15AJ68G ; NASA(NNX15AJ68G ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; NAS5-97271) ; NAS5-97271) ; 41525016 ; 41525016 ; NNX16AJ67G) ; NNX16AJ67G) ; 41474155 ; 41474155 ; 41474139 ; 41474139 ; 41661164034) ; 41661164034) ; NASA Discovery Program(NASW-00002 ; NASA Discovery Program(NASW-00002 ; National Postdoctoral Program for Innovative Talents(BX201600158) ; National Postdoctoral Program for Innovative Talents(BX201600158) ; China Postdoctoral Science Foundation(2016M600124) ; China Postdoctoral Science Foundation(2016M600124) ; National Nature Science Foundation of China(41704163 ; National Nature Science Foundation of China(41704163 ; Thousand Young Talents Program of China ; Thousand Young Talents Program of China ; NASA(NNX15AJ68G ; NASA(NNX15AJ68G ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; CAS Key Laboratory of Lunar and Deep Space Exploration(2013DP173157) ; NAS5-97271) ; NAS5-97271) ; 41525016 ; 41525016 ; NNX16AJ67G) ; NNX16AJ67G) ; 41474155 ; 41474155 ; 41474139 ; 41474139 ; 41661164034) ; 41661164034)
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000410658800007
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20121
专题太阳物理研究部
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing, Peoples R China
2.Chinese Acad Sci, Key Lab Lunar & Deep Space Explorat, Natl Astron Observ, Beijing, Peoples R China
3.Peking Univ, Sch Earth & Space Sci, Beijing, Peoples R China
4.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48109 USA
5.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China
6.Univ Liege, STAR Inst, Lab Phys Atmospher & Planetaire, Liege, Belgium
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Sun, W. J.,Raines, J. M.,Fu, S. Y.,et al. MESSENGER observations of the energization and heating of protons in the near-Mercury magnetotail[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(16):8149-8158.
APA Sun, W. J..,Raines, J. M..,Fu, S. Y..,Slavin, J. A..,Wei, Y..,...&Wan, W. X..(2017).MESSENGER observations of the energization and heating of protons in the near-Mercury magnetotail.GEOPHYSICAL RESEARCH LETTERS,44(16),8149-8158.
MLA Sun, W. J.,et al."MESSENGER observations of the energization and heating of protons in the near-Mercury magnetotail".GEOPHYSICAL RESEARCH LETTERS 44.16(2017):8149-8158.
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