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| Titel |
What causes the variations of the peak intensity of CIR accelerated energetic ion fluxes? |
| VerfasserIn |
E. Keppler |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 16, no. 12 ; Nr. 16, no. 12, S.1552-1556 |
| Datensatznummer |
250013592
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| Publikation (Nr.) |
 copernicus.org/angeo-16-1552-1998.pdf |
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| Zusammenfassung |
The variation of the peak intensity of
energetic ions accelerated at CIR related shocks in the interplanetary medium as
observed by instruments on board of ULYSSES during its pass towards the south
polar region and from the north polar region back to its aphelium is discussed.
From ULYSSES measurements alone it cannot be decided whether the observed
variation is a function of latitude or of radial distance, as its orbit changes
distance and latitude at the same time. Therefore ULYSSES data is compared with
earlier observations by the PIONEER and VOYAGER spacecraft and concluded that
the major part of the observed variation of the peak intensity seems to be due
to a radial distance change, on to which, however, at higher latitudes a
latitude dependent feature is superimposed.
Key words. Interplanetary physics (Energetic particles;
interplanetary shocks; general) |
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