Statistics – Computation
Scientific paper
Jul 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86.5899w&link_type=abstract
Journal of Geophysical Research, vol. 86, July 1, 1981, p. 5899, 5900; Reply, p. 5901. Research supported by the Max C. Fleisch
Statistics
Computation
16
Current Sheets, Heliosphere, Interplanetary Magnetic Fields, Solar Activity Effects, Solar Wind, Warpage, Astronomical Spectroscopy, Helios 1, Helios 2, Magnetic Field Configurations, Photosphere, Pioneer 10 Space Probe, Pioneer 11 Space Probe, Solar Magnetic Field, Zeeman Effect
Scientific paper
A comparative discussion of the warp in the heliospheric current sheet is presented. Pioneer 10 and 11 data of the interplanetary magnetic field compared with earlier data (Helios 1 and 2) show a good agreement on the phenomenon of the warp; however, the interpretations differ. One theory (Thomas and Smith, 1980) proposes that fast solar wind streams associated with interaction regions may move the current sheet higher to heliospheric latitudes, thus causing the warp; while the earlier theory (1976) adequately explained the phenomenon by using the observed photospheric magnetic field and the Zeeman effect but omitted the solar wind dynamical considerations as part of the computations. It is shown that the Helios data of the polarity of the interplanetary magnetic field are in good agreement with the computed location of the current sheet, confirming the earlier theory.
Scherrer Philip H.
Wilcox John M.
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