Solar Corona

Mapping the magnetic field in the solar corona through magnetoseismology

Graphic image of magnetoseismology observations
Friday, August 14, 2020

Magnetoseismology, a technique of magnetic field diagnostics based on observations of magnetohydrodynamic (MHD) waves, has been widely used to estimate the field strengths of oscillating structures in the solar corona.

Austin Monaghan

Austin Monaghan is currently conducting research in the High Altitude Observatory, at NCAR, as a student assistant. He is studying white light polarization and Si X (1.43 micron) emission of the solar corona. Specifically, he is analyzing data from the July 2, 2019 total solar eclipse in Chile.

Spectropolarimetric Insight into Plasma-Sheet Dynamics of a Solar Flare

Graphic of intensity and polarization data
Wednesday, February 12, 2020

We examine spectropolarimetric data from the CoMP instrument, acquired during the evolution of the September 10th 2017 X8.2 solar flare on the western solar limb. CoMP captured linearly polarized light from two emission lines of Fe XIII at 1074.7 and 1079.8 nm, from 1.03 to 1.5 solar radii.

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