Is the polar region different from the quiet region of the Sun?

Details Is the polar region different from the quiet region of the Sun? Is the polar region different from the quiet region of the Sun?

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmsh41b1622i&link_type=abstract

American Geophysical Union, Fall Meeting 2008, abstract #SH41B-1622

Mathematics

Probability

7511 Coronal Holes, 7524 Magnetic Fields, 7529 Photosphere

Scientific paper

We present the magnetic landscape of the polar region of the Sun as observed with Hinode (Tsuneta et al 2008). We found many vertically-oriented magnetic flux tubes with field strength as strong as 1 kG that are scattered in the whole polar region. They all have the same polarity. Probability distribution function, that is number of pixels as a function of the magnetic field strength, for the unsigned vertical field strength is exactly the same as that for the quiet Sun. Uni-polarity of the polar region differentiates it from the quiet Sun, which has mixed polarity. Difference and similarity between the quiet sun and the polar regions are summarized (Ito and Tsuneta, 2008), and its implication for the solar wind acceleration will be discussed.

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