Energetics of a compact flare

Details Energetics of a compact flare Energetics of a compact flare

Nov 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983soph...89..133m&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 89, Nov. 1983, p. 133-147.

Physics

8

Energy Budgets, Plasma Heating, Solar Flares, Solar Spectra, Solar X-Rays, Electron Acceleration, H Alpha Line, Solar Electrons, Solar Maximum Mission, Solar Temperature, Spatial Distribution, Thermal Emission, X Ray Spectra

Scientific paper

The imaged (8 arcsec resolution) X-ray observations in the 3.5 to 30.0 keV energy range obtained by the Hard X-Ray Imaging Spectrometer on board the Solar Maximum Mission spacecraft are analyzed. A set of flare energy release parameters, obtained under certain specified assumptions commonly made in the literature, is provided. The evolution of the energy content in the flare volume is traced, and it is found that the energy input requirements are such that approximately 100 erg per cu cm per sec must be released within the flare structure(s) for a period of time comparable to that of the hard X-ray burst emission. It is pointed out that although the main flare component was confined to a compact magnetic kernel, evidence exists of interaction of this structure with a larger field structure connecting towards the leading portion of the active region, where secondary H-alpha brightening is observed.

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