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Identifying Spectral Lines to Study Coronal Mass Ejection Evolution in the Lower Corona

Landi, Enrico; Rivera, Yeimy J.; Lepri, Susan T.

As prominences propagate away from the Sun via a coronal mass ejection (CME), they expand, accelerate, and are strongly heated. The heating is substantial enough to continuously ionize the prominence plasma, making it difficult to follow its dynamic evolution with a single extreme ultraviolet (EUV) narrow-band channel or a white light instrument. …