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Detailed Reference Information |
Jokipii, J.R. and Kóta, J. (1989). The polar heliospheric magnetic field. Geophysical Research Letters 16: doi: 10.1029/88GL04197. issn: 0094-8276. |
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We suggest that the polar heliospheric magnetic field, at large heliocentric distances, may deviate considerably from the generally accepted Archimedean spiral. Instead, we suggest that the large-scale field near the poles may be dominated by randomly-oriented transvere magnetic fields with magnitude much larger than the average spiral. The average vector field is still the spiral, but the average magnitude may be much larger. In addition, the field direction is transverse to the radial direction most of the time instead of being nearly radial. This magnetic-field structure has important consequences for the transport of cosmic rays. Preliminary model calculations suggest changes in the radial gradient of galactic cosmic rays which may improve agreement with observations. ¿ American Geophysical Union 1989 |
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Abstract |
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Keywords
Solar Physics, Astrophysics, and Astronomy, Magnetic fields |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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