Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...243..244g&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 243, no. 1, March 1991, p. 244-250.
Astronomy and Astrophysics
Astrophysics
12
Line Shape, Solar Granulation, Solar Oscillations, Solar Spectra, Zeeman Effect, High Resolution, Line Spectra, Solar Magnetic Field
Scientific paper
High-resolution spectra of plage regions and neighboring quiet regions in three photospheric lines were obtained using the Sacramento Peak Tower Telescope. The observations were made in plage regions of a relatively high magnetic field, showing large differences between the line profiles of quiet and plage regions. It appears likely that the magnetic field is stronger in the intergranular lanes than in the granules, and as the fields are stronger in the intergranular lanes, the latter change much more than the granules. Canopy type fields of flux tubes, which are rooted in the intergranular lanes and have a merging height that is not much higher than the height of formation of the observed iron lines, could be utilized to explain the observed features.
Guenther Eike E.
Mattig Wolfgang
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