Solar Wind Electron Observations Near Solar Maximum at High Latitudes From Thermal Noise Spectroscopy

Authors: Issautier, K.1; Hoang, S.2; Moncuquet, M.2; Meyer-Vernet, N.2

Source: Space Science Reviews, Volume 97, Numbers 1-4, 2001 , pp. 105-108(4)

Publisher: Springer

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The Ulysses spacecraft is reaching high heliolatitudes during the approach to solar maximum. We show preliminary in situ electron observations from the URAP experiment, using thermal noise spectroscopy. This method is especially suited to measure accurately the electron density and thermal temperature. The data acquired in the period June–September 2000 are compared to those obtained at similar heliolatitudes near solar activity minimum and in the ecliptic plane near both solar maximum and minimum.

Document Type: Regular Paper

Affiliations: 1: Physikalisches Institut, University of Bern, Bern, Switzerland 2: Observatoire de Paris, DESPA, CNRS UMR 8632, Meudon, France

Publication date: January 1, 2001

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