On the small-scale structure of solar magnetic fields
作者： E. N. Frazier , J. O. Stenflo
DOI: 10.1007/BF00153105
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摘要: The small-scale structure of solar magnetic fields has been studied using simultaneous recordings in the spectral lines Fe i 5250 A and 5233 A, obtained with Kitt Peak multi-channel magnetograph. We find that more than 90% flux active regions (excluding sunspots), observed a 2.4 by 2.4″ aperture, is channelled through narrow filaments. This percentage even higher quiet areas. field filament diverge rapidly height, part returns back to neighbouring photosphere. Therefore strong within are surrounded weak order few gauss opposite polarity. field-strength distribution filament, including surrounding opposite-polarity fields, seems be almost same for all filaments given or region.
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