Effects of drift on the transport of cosmic rays IV. Modulation by a wavy interplanetary current sheet

Journal Article · Sun Feb 01 00:00:00 EST 1981 · Astrophys. J.; (United States)

DOI:https://doi.org/10.1086/158675· OSTI ID:6335824

Jokipii, J R; Thomas, B

The effect of a wavy interplanetary current sheet on the solar modulation of galactic cosmic rays is investigated. A simple model of the heliospheric magnetic field is used in which there is an Archimedean spiral magnetic field directed in one direction above the current sheet and another direction below. The current sheet itself is taken to be the extension by the solar wind of a surface which, at the Sun, is a plane inclined at an angle ..cap alpha.. to the solar equator. Hence two magnetic sectors will be seen by an observer within an angle ..cap alpha.. of the heliographic equator. Observational evidence is presented which support this basic picture of the magnetic field.

• Research Organization: Dept. of Planetary Sciences and Astronomy, University of Arizona
• OSTI ID: 6335824
• Journal Information: Astrophys. J.; (United States), Vol. 243:3
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC RADIATION
COSMIC RAY PROPAGATION
INTERPLANETARY MAGNETIC FIELDS
INTERPLANETARY SPACE
MAGNETIC FIELD CONFIGURATIONS
MAGNETOHYDRODYNAMICS
PLASMA
SOLAR CYCLE
SOLAR WIND
FLUID MECHANICS
HYDRODYNAMICS
IONIZING RADIATIONS
MAGNETIC FIELDS
MECHANICS
RADIATIONS
SOLAR ACTIVITY
SPACE
640101* - Astrophysics & Cosmology- Cosmic Radiation