Diagnostic features of sunspot regions

Details Diagnostic features of sunspot regions Diagnostic features of sunspot regions

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991soph..136..191s&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 136, Nov. 1991, p. 191-193.

Physics

Diagnosis, Helioseismology, Magnetoacoustic Waves, Solar Activity Effects, Solar Oscillations, Sunspots, Dynamic Characteristics, Solar Magnetic Field, Wave Propagation

Scientific paper

Results of a comparative study of wave modes and luminosity variations outside and inside the sunspot region are presented. It is shown that the waves trapped in the sunspot region undergo a significant modification, and absorption of the incident p-mode waves results in localized oscillations of photospheric gas. Analyses of optical emissions in the sunspot region may provide diagnostics of dynamical features in the photospheric and chromospheric regions as controlled by the magnetic field strength of sunspots and its morphology.

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