A Hertzsprung-Russell diagram for supergiants with the B[e] phenomenon in the LMC. The solid lines are the zero-age main-sequence and evolutionary tracks for single stars at the LMC metallicity from Schaerer et al. (1993). The tracks are shown for the initial masses of 15, 25, 40, 60, and 80 M⊙ from the lowest to the highest, respectively. Symbols: filled circles – objects from Zickgraf et al. (1986), filled squares – objects from Gummersbach et al. (1995) including Hen S–59 and Hen S–137 with fundamental parameters from that paper, and open diamonds – objects from this paper (see Table 1).
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