Electrodynamics of the EUV/X-ray bright point and filamentary flux loop complexes

Details Electrodynamics of the EUV/X-ray bright point and filamentary flux loop complexes Electrodynamics of the EUV/X-ray bright point and filamentary flux loop complexes

May 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.144..347i&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 144, no. 1-2, May 1988, p. 347-352.

Astronomy and Astrophysics

Astrophysics

Dynamo Theory, Electrodynamics, Energy Conversion, Magnetic Flux, Solar Atmosphere, Solar Wind Velocity, Energy Budgets, Kinetic Energy, Soho Mission, Solar Corona, Solar Radiation

Scientific paper

The electrodynamic model of generation of electric currents in the solar atmosphere, by means of twisting of emerging magnetic flux loops, is investigated with emphasis on the small-scaled EUV/X-ray bright points. It is found that the corresponding power input from such conversion of kinetic energy of the turbulent photospheric plasma into magnetic energy could amount to about 25 percent of the total energy flux of the solar wind and solar radiation. However,if similar filamentary structures containing colder material are formed in abundance, the total energy budget would be correspondingly larger and the resulting mass injection phenomena may be related to the so-called coronal bullets observed in UV. These energetic features suggest that the coronal dynamics and heating could be dictated by plasma structures with angular sizes less than 0.1 - 1 arcsec. The Solar and Heliospheric Observatory mission will be essential in addressing these issues basic to solar corona and solar wind acceleration.

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