Fig. 9
Comparison of the best linear combination fit (dashed cyan line, from Hintz et al. 2019) to an observed spectrum (solid black) TYC 3529-1437-1 optimized for the lines of Na I D2 (top left panel), Hα (top right panel), and the bluest Ca II IRT line (bottom left panel) and extended to the He I IR line (bottom right panel). The linear combination consists of 74.9% of inactive model 079 and 25.1% of active model 149.
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