| Title | Excitation of Saturnian ECH Waves Within Remote Plasma Injections: Cassini Observations |
| Author | |
| Corresponding Author | Cao, Xing; Gu, Xudong |
| Publication Years | 2023-03-16
|
| DOI | |
| Source Title | |
| ISSN | 0094-8276
|
| EISSN | 1944-8007
|
| Volume | 50Issue:5 |
| Abstract | Based on Cassini observations, we report representative electrostatic electron cyclotron harmonic (ECH) wave events observed in Saturn's magnetosphere within remote plasma injections. Unlike local injections, remote injections are "older" injection events that have evolved to form a dispersed signature in particle energy spectrum. We show that Saturnian ECH waves within remote injections present a strong fundamental band and much weaker high harmonic bands. By calculating the linear wave growth rates based on the measured electron velocity distributions, we indicate that Saturnian ECH waves can be excited by the loss cone distribution of remotely injected, hot electrons of similar to 100 eV to several keV. We find that ECH waves tend to intensify with increased fluxes of injected hot electrons but weakening with increased evolution time of the flux tubes, which is consistent with the results of wave growth rates and improves the current understanding of the generation of ECH waves at Saturn. |
| Keywords | |
| URL | [Source Record] |
| Indexed By | |
| Language | English
|
| Important Publications | NI Journal Papers
|
| SUSTech Authorship | Others
|
| Funding Project | B-type Strategic Priority Program of the Chinese Academy of Sciences[XDB41000000]
; NSFC["42188101","42025404","42241143"]
; Civil Aerospace Technologies - China National Space Administration["D020303","D020308","D020104"]
; National Key R&D Program of China["2022YFF0503700","2022YFF0503900"]
; Fundamental Research Funds for the Central Universities["2042022kf1012","2042021kf1045","2042021kf1056"]
|
| WOS Research Area | Geology
|
| WOS Subject | Geosciences, Multidisciplinary
|
| WOS Accession No | WOS:000944024500001
|
| Publisher | |
| ESI Research Field | GEOSCIENCES
|
| Data Source | Web of Science
|
| Citation statistics |
Cited Times [WOS]:0
|
| Document Type | Journal Article |
| Identifier | http://kc.sustech.edu.cn/handle/2SGJ60CL/502146 |
| Department | Department of Earth and Space Sciences |
| Affiliation | 1.Wuhan Univ, Sch Elect Informat, Dept Space Phys, Wuhan, Peoples R China 2.CAS Ctr Excellence Comparat Planetol, Hefei, Peoples R China 3.Inst Spacecraft Syst Engn, Beijing, Peoples R China 4.Harbin Inst Technol, Inst Space Sci & Appl Technol, Shenzhen, Peoples R China 5.Sun Yat Sen Univ, Sch Atmospher Sci, Planetary Environm & Astrobiol Res Lab PEARL, Zhuhai, Peoples R China 6.Southern Univ Sci & Technol, Dept Earth & Space Sci, Shenzhen, Peoples R China |
| Recommended Citation GB/T 7714 |
Long, Minyi,Cao, Xing,Gu, Xudong,et al. Excitation of Saturnian ECH Waves Within Remote Plasma Injections: Cassini Observations[J]. GEOPHYSICAL RESEARCH LETTERS,2023,50(5).
|
| APA |
Long, Minyi.,Cao, Xing.,Gu, Xudong.,Ni, Binbin.,Qu, Shaojie.,...&Zhao, Yiwen.(2023).Excitation of Saturnian ECH Waves Within Remote Plasma Injections: Cassini Observations.GEOPHYSICAL RESEARCH LETTERS,50(5).
|
| MLA |
Long, Minyi,et al."Excitation of Saturnian ECH Waves Within Remote Plasma Injections: Cassini Observations".GEOPHYSICAL RESEARCH LETTERS 50.5(2023).
|
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