One of the nine experiments on Ulysses (launched October, 1990), the Solar Wind Ion Composition Spectrometer, utilizes an energy per charge deflection system along with time of flight technology to uniquely determine the mass and mass per charge of solar wind particles. Thus the composition of various solar wind types can be analyzed. Using the SWICS data accumulated during the in-ecliptic phase of the mission, we have determined the sulfur abundance, relative to silicon, in two different types of solar wind: transient and coronal hole associated flows. Sulfur is of extreme interest because it is one of the few elements that lies in the transitional region of the FIP-dependent relative abundance enrichment function, observed for solar energetic particles and some types of solar wind flows.


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    Title :

    Sulfur abundances in the solar wind measured by SWICS on Ulysses


    Contributors:
    Shafer, C. M. (author) / Gloeckler, G. (author) / Galvin, A. B. (author) / Ipavich, F. M. (author) / Geiss, J. (author) / Von Steiger, R. (author) / Ogilvie, K. (author)

    Published in:

    Publication date :

    1993-06-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English


    Keywords :



    Sulfur abundances in the solar wind measured by SWICS on Ulysses

    Shafer, C.M. / Gloeckler, G. / Galvin, A.B. et al. | Elsevier | 1993



    Kinetic Properties of Heavy Solar Wind Ions from Ulysses-SWICS

    von Steiger, R. / Zurbuchen, T. H. / The Committee on Space Research | British Library Conference Proceedings | 2002