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

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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% 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 <0.1″-1″. The Solar and Heliospheric Observatory (SOHO) mission will be essential in addressing these issues basic to solar corona and solar wind acceleration.

Original languageEnglish
Pages (from-to)347-352
Number of pages6
JournalAstrophysics and Space Science
Issue number1-2
StatePublished - May 1988


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