Quasiperiodic emissions observed by the Cluster spacecraft and their association with ULF magnetic pulsations

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10191774" target="_blank" >RIV/00216208:11320/13:10191774 - isvavai.cz</a>
Alternative codes found
RIV/68378289:_____/13:00423087
Result on the web
<a href="http://dx.doi.org/10.1002/jgra.50406" target="_blank" >http://dx.doi.org/10.1002/jgra.50406</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/jgra.50406" target="_blank" >10.1002/jgra.50406</a>

Result language
angličtina
Original language name
Quasiperiodic emissions observed by the Cluster spacecraft and their association with ULF magnetic pulsations
Original language description
Quasiperiodic (QP) emissions are electromagnetic waves at frequencies of about 0.5-4kHz characterized by a periodic time modulation of the wave intensity, with a typical modulation period on the order of minutes. We present results of a survey of QP emissions observed by the Wide-Band Data (WBD) instruments on board the Cluster spacecraft. All WBD data measured in the appropriate frequency range during the first 10years of operation (2001-2010) at radial distances lower than 10R(E) were visually inspected for the presence of QP emissions, resulting in 21 positively identified events. These are systematically analyzed, and their frequency ranges and modulation periods are determined. Moreover, a detailed wave analysis has been done for the events that were strong enough to be seen in low-resolution Spatio-Temporal Analysis of Field Fluctuations-Spectrum Analyzer data. Wave vectors are found to be nearly field-aligned in the equatorial region, but they become oblique at larger geomagneti
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BL - Plasma physics and discharge through gases
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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