The relation of solar wind structure to hydromagnetic discontinuities
Conference
·
OSTI ID:5648235
High resolution ISEE-3 data have been used to examine the relative abundances of tangential (TD) vs rotational (RD) discontinuities in different types of solar wind flow. Three types of flow were examined; flow from coronal holes, sector boundary flow and transient flow. It has been found that coronal hole flow has substantially more discontinuities and a greater ratio of RD's to TD's than do the other types of flow. Discontinuities are least frequent in transient flows characterized by bidirectional streaming of electrons. This leads us to the conclusion that meaningful studies of the velocity dependence of the rates of occurrence of different types of discontinuities must take the type of flow (coronal hole versus transient) into account. 7 refs., 3 figs., 1 tab.
- Research Organization:
- California Inst. of Tech., Pasadena (USA); Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 5648235
- Report Number(s):
- LA-UR-87-4159; CONF-8708141-7; ON: DE88004304
- Country of Publication:
- United States
- Language:
- English
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