Alfven waves and sunspot line profiles

Details Alfven waves and sunspot line profiles Alfven waves and sunspot line profiles

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984cha%26a...8...21y&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 8, Issue 1, p. 21-25.

Astronomy and Astrophysics

Astrophysics

Scientific paper

We investigate the effect of Alfven waves on the profile of the g = 0 lines FeI 5691.505 and FeI 5434.534. We find nonnegligible oscillation and distortion of the profile and vastly different lines. We calculate the theoretical profiles of these two lines under the action of Alfven waves, compare them with observations and hence verify preliminarily that sunspots are cooled by the propagation of Alfven waves.

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