Prospects for future solar-wind missions

Details Prospects for future solar-wind missions Prospects for future solar-wind missions

Jun 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993esasp1157...43b&link_type=abstract

In ESA, Scientific Requirements for Future Solar-Physics Space Missions p 43-51 (SEE N94-22837 06-92)

Astronomy and Astrophysics

Astronomy

3

Astronomy, Isotopes, Mass Spectrometers, Solar Corona, Solar Wind, Composition (Property), Research, Space Missions, Spectroscopy, Velocity Distribution

Scientific paper

Possible activities and future goals for solar wind research in the post Soho era are discussed. Two major enterprises which will open up important fields in the future study of the Sun are addressed. The first deals with in situ study of the solar corona, a region that has not been accessible for direct study in the past. This exploratory work will include the coronal heating and the acceleration of the solar wind much closer to its origin and the determination of the charge states of a large number of ions as a diagnostic tool for fractionation processes in these regions. The second major goal will be the setting up of a baseline for the isotopic composition in the solar system by studying a sample from the Sun in detail. These studies will be complemented by a direct comparison with extra solar samples of interstellar pick up ions, which become accessible with the same instrumentation as is necessary for the detailed investigation of the solar wind's isotopic composition. In order to achieve these goals, advanced composition experiments are developed to investigate the solar wind with enhanced mass resolution, considerably increased geometrical factor, and improved time resolution. The placing of sophisticated mass/charge spectrometers, with the ability to investigate both charge and velocity distributions with enhanced time resolution, in the solar wind acceleration region, is also proposed.

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