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Science 19 May 1995:
Vol. 268. no. 5213, pp. 1033 - 1036
DOI: 10.1126/science.7754380
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Articles

Science, Vol 268, Issue 5213, 1033-1036
Copyright © 1995 by American Association for the Advancement of Science

articles

The southern high-speed stream: results from the SWICS instrument on Ulysses

J Geiss, G Gloeckler, R von Steiger, H Balsiger, LA Fisk, AB Galvin, FM Ipavich, S Livi, JF McKenzie, KW Ogilvie, and al. et

Physikalisches Institut, University of Bern, Switzerland.

The high-speed solar wind streaming from the southern coronal hole was remarkably uniform and steady and was confined by a sharp boundary that extended to the corona and chromosphere. Charge state measurements indicate that the electron temperature in this coronal hole reached a maximum of about 1.5 million kelvin within 3 solar radii of the sun. This result, combined with the observed lack of depletion of heavy elements, suggests that an additional source of momentum is required to accelerate the polar wind.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Ulysses above the sun's south pole: an introduction.
E. Smith, R. Marsden, and D. Page (1995)
Science 268, 1005-1007
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