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| Titel |
A search for north-south asymmetry of interplanetary magnetic field and solar plasma |
| VerfasserIn |
I. Sabbah |
| 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 ; 12, no. 4 ; Nr. 12, no. 4, S.279-285 |
| Datensatznummer |
250010680
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| Publikation (Nr.) |
 copernicus.org/angeo-12-279-1994.pdf |
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| Zusammenfassung |
| An analysis of interplanetary magnetic field
(IMF) and plasma data taken near 1 AU during solar activity cycle 21 reveals the
following. 1. The yearly averaged spiral angle shows a solar cycle dependence.
2. The spiral angle north of the current sheet is 2.4° higher than south of it
during both epochs of positive and negative polarities. 3. The included angle is
4.8° higher during the epoch of positive polarity than during the epoch of
negative polarity. 4. The asymmetries in the number of away and toward IMF days
are correlated with the asymmetries in solar activity. 5. The solar plasma north
of the current sheet is hotter, faster and less dense than south of it during
the epoch of negative polarity. 6. An asymmetry in the averaged filed magnitude
is absent for solar cycle 21. |
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