On the puzzle of heavy ion properties near the Sun

Details On the puzzle of heavy ion properties near the Sun On the puzzle of heavy ion properties near the Sun

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsh22b..05z&link_type=abstract

American Geophysical Union, Fall Meeting 2007, abstract #SH22B-05

Physics

2159 Plasma Waves And Turbulence, 2164 Solar Wind Plasma, 2169 Solar Wind Sources

Scientific paper

Heavy ions can be considered as passive tracers of the solar wind which probe the solar wind heating and acceleration processes in the low corona and throughout the heliosphere. The dynamic properties and ionic charge state distributions of heavy ions are therefore a crucial test case for candidate processes related to coronal heating and solar wind acceleration. This paper will discuss recent measurements of the dynamic properties of heavy elements and put them in context with our current understanding of the dynamic state of heavies near the Sun. The results of this analysis are surprising: There is no coronal heating candidate process that successfully combines our knowledge gained from in situ measurements, and the remote sensing data from observations such as UVCS. Similarly, there appear to be disagreements of the ionic charge states between these observations. These puzzles will likely only be resolved by in situ measurements near the Sun.

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