Variation of the solar constant connected with the coronal activity

Details Variation of the solar constant connected with the coronal activity Variation of the solar constant connected with the coronal activity

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..109..373p&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 109, no. 2, 1987, p. 373-386. Research supported by the Magyar Tudomanyos Akademia.

Physics

1

Magnetohydrodynamic Waves, Solar Constant, Solar Corona, Solar Magnetic Field, Solar Radiation, Sunspots, Energy Dissipation, Energy Transfer, Nimbus 7 Satellite, Solar Activity, Solar Radio Emission, Spectral Energy Distribution

Scientific paper

A strong correlation was found between the dips in the total solar irradiance and the peaks in the active sunspot areas as well as in the 260 MHz coronal radio flux. This connection might indicate that Alfvén-waves, generated during the interaction of the magnetic fields of the active sunspot groups with the convection, are able to transport away part of the missing energy in the solar constant decreases. These waves can heat the solar corona above the sunspot groups. Another part of the missing energy could be re-radiated later, for example during the decay of the active regions.

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