The interactions of the HELIOS probe with the solar wind plasma

Details The interactions of the HELIOS probe with the solar wind plasma The interactions of the HELIOS probe with the solar wind plasma

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8216036v&link_type=abstract

Final Report, Mar. 1981 Technische Hochschule, Darmstadt (Germany, F.R.). Angewandte Geophysik.

Physics

Helios Satellites, Photoelectric Emission, Solar Wind, Spacecraft Charging, Electron Spectroscopy, Kinetic Theory, Plasma Clouds

Scientific paper

A space charge cloud is formed around the HELIOS solar probe due to strong photoelectron emission and fade out of solar wind particles. The conducting and isolating parts of the surface are differently charged, resulting in a very complex potential structure in the vicinity of the probe and on the surface. The interactions of the HELIOS probe with the solar wind plasma are described by models based on kinetic theory of plasma. The combination of these models yields and entire and consistent representation of the spacecraft charging and the potential structure. Electron spectra measured by the plasma experiment are analysed and compared with results of the theoretical models.

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