Computer Science
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ssrv...72..165s&link_type=abstract
Space Science Reviews, Volume 72, Issue 1-2, pp. 165-170
Computer Science
49
Scientific paper
The radial component of the magnetic field at Ulysses, over latitudes from -10° to -45° and distances from 5.3 to 3.8 AU, compares very well with corresponding measurements being made by IMP-8 in the ecliptic at 1AU. There is little, if any, evidence of a latitude gradient. Variances in the field, normalized to the square of the field magnitude, show little change with latitude in variations in the magnitude but a large increase in the transverse field variations. The latter are shown to be caused by the presence of large amplitude, long period Alfvénic fluctuations. This identification is based on the close relation between the magnetic field and velocity perturbations including the effect of anisotropy in the solar wind pressure. The waves are propagating outward from the Sun, as in the ecliptic, but variance analysis indicates that the direction of propagation is radial rather than field-aligned. A significant long-period component of ≥10 hours is present.
Balogh André
Bame J. Jr. S.
Lepping Ronald P.
Neugebauer Matthias
Smith Edward. J.
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