Constraining the CME Core Heating and Energy Budget with SOHO/UVCS
Maurice L. Wilson,
John C. Raymond,
Susan T. Lepri
et al.
Abstract:We describe the energy budget of a coronal mass ejection (CME) observed on 1999 May 17 with the Ultraviolet Coronagraph Spectrometer (UVCS). We constrain the physical properties of the CME's core material as a function of height along the corona by using the spectra taken by the single-slit coronagraph spectrometer at heliocentric distances of 2.6 and 3.1 solar radii. We use plasma diagnostics from intensity ratios, such as the O VI doublet lines, to determine the velocity, density, temperature, and non-equili… Show more
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