Fig. 9

Evolutionary tracks (solid lines) and isochrones (dashed lines) from Baraffe et al. (2015). The brown dwarf limit lies at 0.073 M⊙. Isochrones from top to bottom: 0.5, 1, 2, 5 Myr, and 1 Gyr. The red points are the Taurus members classified as dippers, while the gray points are Taurus members as in Herczeg & Hillenbrand (2014). HD 285893 (SpT F8) does not appear in this plot for the sake of readability because its derived Teff is much higher than that of the rest of the sample. The stellar ages scatter around 1 Myr, and with the exception of LkCa15 (marked with a black arrow) and HD 285893, they are on their Hayashi tracks and are still fully convective.
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