Oxygen and Iron Ions at High Heliolatitudes |
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Authors: | CG Maclennan LJ Lanzerotti RE Gold |
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Institution: | (1) Bell Laboratories, Lucent Technologies, Murray Hill, NJ, U.S.A;(2) Applied Physics Lab, Johns Hopkins University, Laurel, MD, U.S.A |
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Abstract: | The fluxes of O and Fe ions at high heliolatitudes measured by the HiScale instrument on Ulysses reflect the dynamical processes that affect the charged particle populations in the heliosphere. Both the O and Fe ions show
more latitude dependence in the first (solar minimum) orbit to high southern heliolatitudes than during the second (solar
maximum) orbit. The ion fluxes are larger during the solar minimum orbit; the flux levels are influenced by the occurrence
of corotating interaction regions. The Fe/O abundance ratios are found to be similar at 1 AU and at high heliolatitudes.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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