Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...326..425m&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 326, March 1, 1988, p. 425-450. NASA-USAF-supported research.
Astronomy and Astrophysics
Astrophysics
123
Magnetohydrodynamics, Solar Flares, Solar Magnetic Field, Solar X-Rays, Light Curve, Magnetic Field Configurations, Magnetic Poles, Particle Acceleration, Solar Maximum Mission
Scientific paper
It is shown that flaring activity as seen in X-rays usually encompasses two or more interacting magnetic bipoles within an active region. Soft and hard X-ray spatiotemporal evolution is considered as well as the time dependence of the thermal energy content in different magnetic bipoles participating in the flare, the hardness and impulsivity of the hard X-ray emission, and the relationship between the X-ray behavior and the strength and 'observable shear' of the magnetic field. It is found that the basic structure of a flare usually consists of an initiating closed bipole plus one or more adjacent closed bipoles impacted against it.
Hagyard Mona J.
Hernandez Ana M.
Machado Marcos E.
Moore Ronald L.
Rovira Marta G.
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