Fig. 2.
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Positions in the HRD for BSGs. Cyan dots are luminosity-class I stars from Martins et al. (2005) and blue stars are the positions on the tracks corresponding to a 10% core-H fraction. The dashed line represents a second-degree interpolation between the data from Martins et al. (2005) and the four lowest-mass points with a 10% core-H fraction (see text for more details).
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