Shape of the equatorial magnetopause affected by the radial interplanetary magnetic field

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10371589" target="_blank" >RIV/00216208:11320/17:10371589 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.pss.2017.09.011" target="_blank" >http://dx.doi.org/10.1016/j.pss.2017.09.011</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.pss.2017.09.011" target="_blank" >10.1016/j.pss.2017.09.011</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Shape of the equatorial magnetopause affected by the radial interplanetary magnetic field

Popis výsledku v původním jazyce

The ability of a prediction of the magnetopause location under various upstream conditions can be considered as a test of our understanding of the solar wind-magnetosphere interaction. The present magnetopause models are parametrized with the solar wind dynamic pressure and usually with the north-south interplanetary magnetic field (IMF) component. However, several studies pointed out an importance of the radial IMF component, but results of these studies are controversial up to now. The present study compares magnetopause observations by five THEMIS spacecraft during long lasting intervals of the radial IMF with two empirical magnetopause models. A comparison reveals that the magnetopause location is highly variable and that the average difference between the observed and predicted positions is approximate to +0.7 R-E under this condition. The difference does not depend on the local times and other parameters, like the upstream pressure, IMF north-south component, or tilt angle of the Earth dipole. We conclude that our results strongly support the suggestion on a global expansion of the equatorial magnetopause during intervals of the radial IMF.

Název v anglickém jazyce

Shape of the equatorial magnetopause affected by the radial interplanetary magnetic field

Popis výsledku anglicky

The ability of a prediction of the magnetopause location under various upstream conditions can be considered as a test of our understanding of the solar wind-magnetosphere interaction. The present magnetopause models are parametrized with the solar wind dynamic pressure and usually with the north-south interplanetary magnetic field (IMF) component. However, several studies pointed out an importance of the radial IMF component, but results of these studies are controversial up to now. The present study compares magnetopause observations by five THEMIS spacecraft during long lasting intervals of the radial IMF with two empirical magnetopause models. A comparison reveals that the magnetopause location is highly variable and that the average difference between the observed and predicted positions is approximate to +0.7 R-E under this condition. The difference does not depend on the local times and other parameters, like the upstream pressure, IMF north-south component, or tilt angle of the Earth dipole. We conclude that our results strongly support the suggestion on a global expansion of the equatorial magnetopause during intervals of the radial IMF.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10305 - Fluids and plasma physics (including surface physics)

Projekt

<a href="/cs/project/GA17-06065S" target="_blank" >GA17-06065S: Variace slunečního větru a jejich vazba na dynamiku magnetosféry Země</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název periodika

Planetary and Space Science

ISSN

0032-0633

e-ISSN

—

Svazek periodika

148

Číslo periodika v rámci svazku

15. listopadu

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

7

Strana od-do

28-34

Kód UT WoS článku

000415775900003

EID výsledku v databázi Scopus

2-s2.0-85030766769