Ulysses paper

Ann. Geophysicae, 13, 105-107, 1995

Abstract:
The Ulysses spacecraft has gathered data from within flows from the Sun's Southern polar coronal hole, the first in situ measurements of this region. We present a brief analysis of the heliospheric magnetic field data from this region, using a fractal method. As is the case near the ecliptic, estimated spectral exponents are near 5/3 on spacecraft scales of seconds to minutes. On longer time scales, however, there appears to be a significantly different population in polar flows, which is similar to that found by the Helios spacecraft in fast solar wind flows at 0.3 AU.

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