Image Details
Caption: Fig. 11.
Line profiles of He I λ5876 (left column), Hα (middle column), and He I λ6678 (right column) as a function of orbital phase, for the high‐state spectra of 2006 May 19 UT. The NaD emission lines (from Tucson airglow) are often visible near and sometimes within the red wing of He I λ5876.
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