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Mechanisms of Saturn's Near-Noon Transient Aurora: In Situ Evidence From Cassini Measurements
Yao, Z. H.1,2; Radioti, A.1; Rae, I. J.2; Liu, J.3; Grodent, D.1; Ray, L. C.4; Badman, S. V.4; Coates, A. J.2; Gerard, J. -C.1; Waite, J. H.5; Yates, J. N.6; Shi, Q. Q.7; Wei, Y.8; Bonfond, B.1; Dougherty, M. K.9; Roussos, E.10; Sergis, N.11,12; Palmaerts, B.1
2017-11-28
Source PublicationGEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
Volume44Issue:22Pages:11217-11228
SubtypeArticle
AbstractAlthough auroral emissions at giant planets have been observed for decades, the physical mechanisms of aurorae at giant planets remain unclear. One key reason is the lack of simultaneous measurements in the magnetosphere while remote sensing of the aurora. We report a dynamic auroral event identified with the Cassini Ultraviolet Imaging Spectrograph (UVIS) at Saturn on 13 July 2008 with coordinated measurements of the magnetic field and plasma in the magnetosphere. The auroral intensification was transient, only lasting for similar to 30 min. The magnetic field and plasma are perturbed during the auroral intensification period. We suggest that this intensification was caused by wave mode conversion generated field-aligned currents, and we propose two potential mechanisms for the generation of this plasma wave and the transient auroral intensification. A survey of the Cassini UVIS database reveals that this type of transient auroral intensification is very common (10/11 time sequences, and similar to 10% of the total images).
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1002/2017GL075108
Funding OrganizationEuropean Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117)
WOS KeywordHUBBLE-SPACE-TELESCOPE ; BURSTY BULK FLOWS ; PI2 PULSATIONS ; STATISTICAL-ANALYSIS ; SUBSTORM ONSET ; PLASMA SHEET ; ALFVEN WAVES ; MAGNETOSPHERE ; RECONNECTION ; MAGNETOPAUSE
Indexed BySCI
Language英语
Funding OrganizationEuropean Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117) ; European Union ; European Union ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; UK Science and Technology Facilities Council (STFC) at UCL/MSSL(ST/L005638/1) ; National Science Foundation of China(41525016 ; National Science Foundation of China(41525016 ; Belgian Fund for Scientific Research (FNRS) ; Belgian Fund for Scientific Research (FNRS) ; European Space Agency Research Fellowship ; European Space Agency Research Fellowship ; NASA ; NASA ; ESA ; ESA ; 41404117) ; 41404117)
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000419102300001
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/93137
Collection地球与行星物理院重点实验室
Corresponding AuthorYao, Z. H.
Affiliation1.Univ Liege, STAR Inst, Lab Phys Atmospher & Planetaire, Liege, Belgium
2.UCL Mullard Space Sci Lab, Dorking, Surrey, England
3.Univ Calif Los Angeles, Inst Geophys & Planetary Phys, Los Angeles, CA USA
4.Univ Lancaster, Dept Phys, Lancaster, England
5.Southwest Res Inst, San Antonio, TX USA
6.European Space Astron Ctr ESA ESAC, Operat Dept, Madrid, Spain
7.Shandong Univ, Sch Space Sci & Phys, Shandong Prov Key Lab Optic Astron & Solar Terr, Weihai, Peoples R China
8.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
9.Imperial Coll, Fac Nat Sci, Dept Phys, London, England
10.Max Planck Inst Solar Syst Res, Gottingen, Germany
11.Acad Athens, Off Space Res & Technol, Athens, Greece
12.Natl Observ Athens, Inst Astron Astrophys Space Applicat & Rem Sensin, Athens, Greece
Recommended Citation
GB/T 7714
Yao, Z. H.,Radioti, A.,Rae, I. J.,et al. Mechanisms of Saturn's Near-Noon Transient Aurora: In Situ Evidence From Cassini Measurements[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(22):11217-11228.
APA Yao, Z. H..,Radioti, A..,Rae, I. J..,Liu, J..,Grodent, D..,...&Palmaerts, B..(2017).Mechanisms of Saturn's Near-Noon Transient Aurora: In Situ Evidence From Cassini Measurements.GEOPHYSICAL RESEARCH LETTERS,44(22),11217-11228.
MLA Yao, Z. H.,et al."Mechanisms of Saturn's Near-Noon Transient Aurora: In Situ Evidence From Cassini Measurements".GEOPHYSICAL RESEARCH LETTERS 44.22(2017):11217-11228.
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