Ulysses solar wind plasma observations at high southerly latitudes

J. L. Phillips, S. J. Bame, W. C. Feldman, B. E. Goldstein, J. T. Gosling, C. M. Hammond, D. J. McComas, M. Neugebauer, E. E. Scime, S. T. Suess

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144 Scopus citations

Abstract

Solar wind plasma observations made by the Ulysses spacecraft through -80.2° solar latitude and continuing equatorward to -40.1° are summarized. Recurrent high-speed streams and corotating interaction regions dominated at middle latitudes. The speed of the solar wind was typically 700 to 800 kilometers per second poleward of-35°. Corotating reverse shocks persisted farther south than did forward shocks because of the tilt of the heliomagnetic streamer belt. Sporadic coronal mass ejections were seen as far south as -60.5°. Proton temperature was higher and the electron strahl was broader at higher latitudes. The high-latitude wind contained compressional, pressure-balanced, and Alfvénic structures.

Original languageEnglish (US)
Pages (from-to)1030-1033
Number of pages4
JournalScience
Volume268
Issue number5213
DOIs
StatePublished - 1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General

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