Physics
Scientific paper
Jul 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982soph...79...59k&link_type=abstract
Solar Physics, vol. 79, July 1982, p. 59-75. USAF-supported research; Contract No NAS8-33525
Physics
102
Magnetic Field Configurations, Photosphere, Solar Atmosphere, Solar Flares, Solar Magnetic Field, Current Density, Energy Storage, Extreme Ultraviolet Radiation, Solar X-Rays, Velocity Distribution
Scientific paper
Sheared photospheric velocity fields inferred from spot motions for April 5-7, 1980, are compared with both transverse magnetic field orientation changes and with the region's flare history. Rapid spot motions and high inferred velocity shear coincide with increased field alignment along the longitudinal neutral line and with increased flare activity, while a later decrease in velocity shear precedes a more relaxed magnetic configuration and decrease in flare activity. It is estimated that magnetic reconfiguration produced by the relative velocities of the spots could cause storage of about 10 to the 32nd erg/day, while flares occurring during this time expended no more than about 10 to the 31st erg/day.
Cummings N. P.
Hagyard Mona J.
Krall K. R.
Smith Jeffrey B.
West Edward A.
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