Engineering Papers⌕ Search

NASA NTRS · 20000073293

Microstructures in the Polar Solar Wind: Ulysses

Abstract

We find that small (10-200 rP) magnetic decreases comprise a dominant part of the polar solar wind microstructure at Ulysses distances (2.2 AU). These magnetic field dips are almost always bounded by tangential discontinuities, a feature which is not well understood at this time. Hundreds of these events have been examined in detail and a variety of types have been found. These will be described. It is speculated that these structures have been generated by perpendicular heating of ions closer to the Sun and have then been convected to distances of Ulysses. Such structures may be very important for the rapid cross- field diffusion of ions in the polar regions of the heliosphere.

Keep this discovery

Explore connections, maps & timelines

BibTeXRIS

Tsuruyani, Bruce T., Arballo, J. K., Galvan, C., Goldstein, B. E., Lakhina, G. S., Sakurai, R., Smith, E. J., Neugebauer, M.. 1999-01-01. Microstructures in the Polar Solar Wind: Ulysses. https://ntrs.nasa.gov/citations/20000073293

Cite the original work for its findings. Save a collection to share your selection of sources.