Physics
Scientific paper
Mar 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989soph..124...23m&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 124, no. 1, 1989, p. 23-36.
Physics
13
Magnetohydrodynamic Waves, Photosphere, Solar Oscillations, Solar Spectra, Eigenvectors, Iron, Line Spectra, Radiative Heat Transfer, Solar Interior
Scientific paper
The paper reports detailed comparisons between theoretical and empirical eigenfunctions of velocity and intensity for the 5-min modes in the photosphere. The comparison process is accomplished by obtaining synthetic profiles of the Fe I 5434 A line in the presence of waveforms given by dynamical calculations and then applying a common procedure of reduction both to the observed and to the synthetic data. For the velocity waveforms, the results show a general agreement between theory and observations together with some systematic differences; in particular the theory systematically underestimates the observations in the low photosphere. These systematic differences are stressed by the intensity results since both the computed amplitudes and phases appear to be wrong in the deeper layers.
Marmolino Ciro
Stebbins Robin Tuck
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