Physics
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992esasp.348..101g&link_type=abstract
In ESA, Proceedings of the First SOHO Workshop: Coronal Streamers, Coronal Loops, and Coronal and Solar Wind Composition p 101-1
Physics
Coronagraphs, Density Distribution, Solar Corona, Solar Magnetic Field, Solar Physics, Solar Wind, Astronomical Models, Mathematical Models, Plasma Diagnostics, Space Plasmas
Scientific paper
A quantitative description of the large scale structure of magnetic field and density distribution in the coronal plasma is found. The magnetostatic model of Bogdan and Low and white light images from both NASA's Solar Maximum Mission (SMM) Coronagraph/Polarimeter and the High Altitude Observatory Mark 3 (MK3) K coronameter are used. This is an extension of previous work which used only the Mk3 data. The SMM data were considerably less noisy than the Mk3 data for radii higher than about 1.5 solar radii, particularly at mid-to-high latitude. By combining the SMM and Mk3 datasets, a density distribution that matched the white light images of the corona was more accuratly obtained. The model then allows calculation of the magnetic field and plasma characteristics (such as the coronal temperature structure) which are essential for understanding the mechanisms that heat the corona and drive the solar wind.
Bagenal Fran
Gibson Sarah
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