Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003agufmsh11a..01k&link_type=abstract
American Geophysical Union, Fall Meeting 2003, abstract #SH11A-01
Astronomy and Astrophysics
Astrophysics
7500 Solar Physics, Astrophysics, And Astronomy, 7509 Corona, 7549 Ultraviolet Emissions
Scientific paper
Coronal abundances are found to vary among different coronal structures, within streamers, and along heliocentric heights. Characterizing its variations is essential in understanding the underlying fractionation mechanisms and the coronal origin of the solar wind. We will review recent measurements in solar coronal abundance and its variations with time and among coronal structures. In particular, we will present SOHO observations of abundances in active regions with a broad range of age and activity levels. Results that compare coronal abundances with in-situ measurements will also be reviewed.
Ko Yumi
Raymond John C.
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