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Sulfur abundances in the solar wind measured by SWICS on UlyssesOne 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.
Document ID
19930067664
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Shafer, C. M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gloeckler, G.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Galvin, A. B.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Ipavich, F. M.
(Maryland Univ. College Park, United States)
Geiss, J.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Von Steiger, R.
(Bern Univ. Switzerland)
Ogilvie, K.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 16, 2013
Publication Date
June 1, 1993
Publication Information
Publication: Advances in Space Research
Volume: 13
Issue: 6
ISSN: 0273-1177
Subject Category
Solar Physics
Accession Number
93A51661
Funding Number(s)
CONTRACT_GRANT: JPL-955460
CONTRACT_GRANT: NGT-50957
Distribution Limits
Public
Copyright
Other

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