Cosmic ray modulation over the poles at solar maximum: Observations
Autor(en): | Heber, B Marsden, RG |
Stichwörter: | Astronomy & Astrophysics; DEPENDENT DRIFT MODEL; ELECTRONS; HELIOSPHERE; INTERACTION REGIONS; LATITUDE; PARTICLES; SHEET; SHOCK; SIMULATED FEATURES; ULYSSES | Erscheinungsdatum: | 2001 | Herausgeber: | SPRINGER | Journal: | SPACE SCIENCE REVIEWS | Volumen: | 97 | Ausgabe: | 1-4 | Startseite: | 309 | Seitenende: | 319 | Zusammenfassung: | Our knowledge of how galactic and anomalous cosmic rays are modulated in the inner heliosphere has been dramatically enlarged as a result of measurements from several missions launched in the past ten years. Among them, Ulysses explored the polar regions of the inner heliosphere during the last solar minimum period and is now revisiting southern polar latitudes under solar maximum conditions. This gives us for the first time the possibility to compare modulation of cosmic rays at high heliographic latitudes during such different time periods. We present data from different instruments on board the Ulysses spacecraft together with 1 AU measurements in the ecliptic. In this paper we focus on measurements that have direct implications for our understanding of modulation of cosmic rays in the inner heliosphere. |
ISSN: | 00386308 | DOI: | 10.1023/A:1011889319933 |
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geprüft am 01.06.2024