Physics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..679..156j&link_type=abstract
SOLAR WIND TEN: Proceedings of the Tenth International Solar Wind Conference. AIP Conference Proceedings, Volume 679, pp. 156-1
Physics
Particle Emission, Solar Wind, Interplanetary Magnetic Fields, Solar Wind Plasma, Sources Of Solar Wind
Scientific paper
During 2000-2001, the Ulysses spacecraft executed its second rapid pass from very high southern to very high northern heliolatitudes. Unlike the previous fast latitude scan, the recent one occurred near the maximum in solar activity. The solar magnetic field reversal, as evidenced by heliospheric magnetic field data, occurred between Ulysses's highest southern latitudes and highest northern latitudes. We examine the magnetic field structure of the solar polar regions by analyzing data returned by the magnetometer aboard Ulysses before and after the maximum southern and northern heliolatitude excursions. An attempt is made to infer the location of the heliospheric current sheet at high latitudes from these observations. The reversal of the magnetic field at the solar wind source surface is inferred to have occurred between November 2000 and August 2001, with the most likely time of reversal being early within that period.
Balogh André
Jones Geraint H.
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