The atmospheric structure over sunspots

Details The atmospheric structure over sunspots The atmospheric structure over sunspots

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979azh....56...67o&link_type=abstract

Astronomicheskii Zhurnal, vol. 56, no. 1, 1979, p. 67-73. In Russian.

Other

Astronomical Models, Solar Atmosphere, Sunspots, Atmospheric Temperature, Loops, Solar Activity, Solar Corona

Scientific paper

A comparison of optical, radio, UV, and X-ray observations reveals the necessity of an improved model for the atmosphere above sunspot. A two-component model is suggested consisting of a double loop system. The loops connected with local fields in the vicinity of a sunspot have a temperature up to 700,000 K, and those connected with large-scale fields far away in the active region or with the fields of other active regions have a temperature of at least 2 million K. The relative volume occupied by the loops of both types varies with height. The model accounts for the main characteristics of all the kinds of emission considered.

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