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Titel |
Suprathermal populations: from observations to realistic interpretation |
VerfasserIn |
Marian Lazar, Horst Fichtner, Viviane Pierrard, Stefaan Poedts, Peter Yoon |
Konferenz |
EGU General Assembly 2017
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Medientyp |
Artikel
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Sprache |
en
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Digitales Dokument |
PDF |
Erschienen |
In: GRA - Volume 19 (2017) |
Datensatznummer |
250145514
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Publikation (Nr.) |
EGU/EGU2017-9460.pdf |
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Zusammenfassung |
Suprathermal populations enhance the high-energy tails of the velocity distributions of particles in space plasmas. Standard Maxwellian models cannot describe the observed distributions, which are instead well reproduced by the Kappa power-laws. However, the family of Kappa distribution functions do not offer a unique representation of the suprathermals. Here we discuss the efforts made in the last decades to describe realistically these populations and and, implicitly, their effects in the solar wind. A realistic interpretation is conditioned by a rigorous modelling in accord with the observations. In turn, the effects predicted for the same suprathermal populations must also be confirmed by the observations. |
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