Physics
Scientific paper
Sep 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984soph...94..219h&link_type=abstract
Solar Physics (ISSN 0038-0938), vol. 94, Sept. 1984, p. 219-234.
Physics
12
Magnetic Field Configurations, Photosphere, Solar Magnetic Field, Force-Free Magnetic Fields, Integral Equations, Lines Of Force, Magnetic Flux, Sunspots
Scientific paper
The observational difficulties of obtaining the magnetic field distribution in the chromosphere and corona of the sun has led to methods of extending photospheric magnetic mesurements into the solar atmosphere by mathematical procedures. A new approach to this problem presented here is that a constant alpha force-free field can be uniquely determined from the tangential components of the measured photospheric flux alone. The vector magnetographs now provide measurements of both the solar photospheric tangential and the longitudinal magnetic field. This paper presents derivations for the computation of the solar magnetic field from these type of measurements. The fields considered are assumed to be a constant alpha force-free fields or equivalent, producing vanishing Lorentz forces. Consequently, magnetic field lines and currents are related by a constant and hence show an identical distribution. The magnetic field above simple solar regions are described from the solution of the field equations.
Gary Gilmer A.
Hannakam L.
Teuber D. L.
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