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Fig. 2.

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Hertzsprung-Russell diagram of the adiabatic mass loss sequences from Ge et al. (2020), labeled by their mass. Different evolutionary phases (TAMS, helium ignition and end of core He-burning) are highlighted with different icons (unfilled triangle, circle, and square). The empirical Humphrey-Davidson (HD) limit, in dashed red (Humphreys & Davidson 1979), is also reported.

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