NASA NTRS · 19930055686
Hydrogen Lyman-alpha coronagraph/polarimeter
Abstract
The present treatment of vector magnetic field measurement in coronas by means of the Hanle effect of the Lyman-alpha line uses data from all-reflecting imaging coronagraph/polarimeters. The polarization sensitivity, bandpass, and spatial resolution of these instruments are defined through a modeling of the Hanle-effect signature in Lyman-alpha emission from coronal magnetic loops; the line-of-sight integration through an inhomogeneous coronal medium is taken into account. The use of the Hanle effect to measure solar corona vector magnetic fields is verified.
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Fineschi, Silvano, Hoover, Richard B., Walker, Arthur B. C., Jr.. 1992-01-01. Hydrogen Lyman-alpha coronagraph/polarimeter. https://ntrs.nasa.gov/citations/19930055686
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