Fig. B.3.

Excerpt of CCF sequence corresponding to time range between JD 2 457 336.7 (November 10, 2015) and JD 2 457 492.4 (April 13, 2016) (compared with the light curve of Betelgeuse in the top panel of Fig. 1). Rows correspond to different masks; mask C1 probes the innermost atmospheric layer, while mask C5 probes the outermost layer. The vertical lines at 20.7 km s−1 indicate the center-of-mass velocity.
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