Fig. 3.
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Nineteen individual Li I 6707.8-Å line profiles of RSP 177 (Teff = 5770 K). It indicates the expected range of line-core changes over time. The black profiles are from 2020 (season S20), and the red profiles are from 2022 (season S22), according to Table C.1. The maximum line-core variability in this case is 0.8%. The x-axis is the wavelength in Ångstroem.
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