Cosmic ray transport in a heliospheric magnetic field with non-polar coronal holes

J. Kóta, J. R. Jokipii

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

The simple tilted dipole picture of Corotating Interaction Regions which prevailed during the first polar pass of Ulysses no longer applies since the Sun entered a more active phase. Recent observations show that CIRs still persist, though the large polar coronal holes of solar minimum shrink to smaller areas and move to lower latitudes. We present 3-D simulations for the cosmic-ray intensity variations in a model with non-polar high speed streams. Latitudinal and recurrent time-variations are discussed, but more detailed and realistic simulations are required before quantitative comparisons with observations can be made.

Original languageEnglish (US)
Pages (from-to)327-330
Number of pages4
JournalSpace Science Reviews
Volume97
Issue number1-4
DOIs
StatePublished - Oct 16 2001

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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