Pět let výzkumu emisí typu chorus družicemi Cluster

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F06%3A00045556" target="_blank" >RIV/68378289:_____/06:00045556 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Five years of investigation of whistler-mode chorus using the measurements of the Cluster spacefleet

Popis výsledku v původním jazyce

We summarize results obtained during investigation of whistler-mode chorus emissions by the four Cluster pacecraft during their first five years of operation. The results can be divided into several broader categories. (i) Substructure of chorus wave packets have been observed at time scales of 1-40 ms, with decreasing occurrence rate for longer durations. Their growth rate is between 30 and 400 s-1, and amplitudes reach up to 30 mV/m or 300 nT in the disturbed times. Maximum amplitudes are inside the arger chorus wave packets which occur at time scales above 100 ms. (ii) Frequency differences have been observed for chorus wave packets which were simultaneously detected by different spacecraft. These differences have been interpreted as differential Doppler shift from rapidly moving elementary chorus sources at speeds comparable to the parallel velocity of counterstreaming resonant electrons.

Název v anglickém jazyce

Five years of investigation of whistler-mode chorus using the measurements of the Cluster spacefleet

Popis výsledku anglicky

We summarize results obtained during investigation of whistler-mode chorus emissions by the four Cluster pacecraft during their first five years of operation. The results can be divided into several broader categories. (i) Substructure of chorus wave packets have been observed at time scales of 1-40 ms, with decreasing occurrence rate for longer durations. Their growth rate is between 30 and 400 s-1, and amplitudes reach up to 30 mV/m or 300 nT in the disturbed times. Maximum amplitudes are inside the arger chorus wave packets which occur at time scales above 100 ms. (ii) Frequency differences have been observed for chorus wave packets which were simultaneously detected by different spacecraft. These differences have been interpreted as differential Doppler shift from rapidly moving elementary chorus sources at speeds comparable to the parallel velocity of counterstreaming resonant electrons.

Druh

D - Stať ve sborníku

CEP obor

BL - Fyzika plasmatu a výboje v plynech

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2006

Kód důvěrnosti údajů

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

Název statě ve sborníku

Proceedings of "Cluster and Double Star symposium 5th Anniversary of Cluster in Space"

ISBN

92-9092-909-X

ISSN

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e-ISSN

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Počet stran výsledku

8

Strana od-do

1-8

Název nakladatele

European Space Agency

Místo vydání

Noordwijk

Místo konání akce

Noordwijk

Datum konání akce

19. 9. 2005

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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