A unified working model for the atmospheric structure of large sunspot umbrae

Details A unified working model for the atmospheric structure of large sunspot umbrae A unified working model for the atmospheric structure of large sunspot umbrae

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...100..284s&link_type=abstract

Astronomy and Astrophysics, vol. 100, no. 2, July 1981, p. 284-290.

Physics

51

Atmospheric Models, Solar Atmosphere, Solar Physics, Sunspots, Umbras, Chromosphere, Photosphere, Solar Corona, Transition Layers

Scientific paper

Horizontally averaged working models are derived for both the umbra of a large stable sunspot and the mean undisturbed environment for reference. It is noted that these models extend on a common geometrical height scale from subphotospheric layers to the base of the transition layer between chromosphere and corona; they are based on uniform and self-consistent physical assumptions for all layers and are able to explain the basic features of many observations at different wavelengths, including recent data from space. The present sunspot model furnishes the lower boundary condition for an attempt to model the transition layer and lower corona above large umbrae.

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