Ray-Tracing Analysis for the Propagation of Saturn Narrowband Emission Within the Saturnian Magnetosphere

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F24%3A00585282" target="_blank" >RIV/68378289:_____/24:00585282 - isvavai.cz</a>

Výsledek na webu

<a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JE008118" target="_blank" >https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023JE008118</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1029/2023JE008118" target="_blank" >10.1029/2023JE008118</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Ray-Tracing Analysis for the Propagation of Saturn Narrowband Emission Within the Saturnian Magnetosphere

Popis výsledku v původním jazyce

This study investigates the propagation characteristics of Saturn's Narrowband (NB) emissions using a 3D ray-tracing code incorporating Saturn's magnetic field and electron density parameters. The potential source regions and propagation zones of the L-O mode, Z mode and whistler mode NB emissions are distinguished. The L-O mode NB emissions, generated along local electron plasma frequency surfaces through mode conversion, exhibit straight-line propagation but undergo reflections between the ionosphere, the plasma torus, and the magnetosheath. The slot region, characterized by a lower electron density distributed around the plasma torus boundary, significantly influences emission propagation, potentially leading to trapping and depolarization. The 5 kHz Z mode NB emissions propagate and fill the trapping region delineated by lower cut-off and upper hybrid resonance frequencies. In contrast, the 20 kHz Z mode NB emissions are primarily confined near source regions at the north and south edges of the plasma torus, with the possibility of escaping under variable plasma conditions.

Název v anglickém jazyce

Ray-Tracing Analysis for the Propagation of Saturn Narrowband Emission Within the Saturnian Magnetosphere

Popis výsledku anglicky

This study investigates the propagation characteristics of Saturn's Narrowband (NB) emissions using a 3D ray-tracing code incorporating Saturn's magnetic field and electron density parameters. The potential source regions and propagation zones of the L-O mode, Z mode and whistler mode NB emissions are distinguished. The L-O mode NB emissions, generated along local electron plasma frequency surfaces through mode conversion, exhibit straight-line propagation but undergo reflections between the ionosphere, the plasma torus, and the magnetosheath. The slot region, characterized by a lower electron density distributed around the plasma torus boundary, significantly influences emission propagation, potentially leading to trapping and depolarization. The 5 kHz Z mode NB emissions propagate and fill the trapping region delineated by lower cut-off and upper hybrid resonance frequencies. In contrast, the 20 kHz Z mode NB emissions are primarily confined near source regions at the north and south edges of the plasma torus, with the possibility of escaping under variable plasma conditions.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

<a href="/cs/project/GF20-06802L" target="_blank" >GF20-06802L: Analýza jemné struktury aurorálních rádiových emisí</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Geophysical Research: Planets

ISSN

2169-9097

e-ISSN

2169-9100

Svazek periodika

129

Číslo periodika v rámci svazku

4

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

19

Strana od-do

e2023JE008118

Kód UT WoS článku

001198331500001

EID výsledku v databázi Scopus

2-s2.0-85190093283