Fig. 6

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Hertzsprung-Russel diagram with stellar tracks from Siess et al. (2000) for stellar masses from 0.5 to 2.5 M⊙. The orange and purple lines denote the 4 and 5 Myr isochrones. The crosshair points at the range of effective temperature and luminosity found in the MCMC runs, which agrees well with a ∼1 M⊙ star derived from the dynamical fits to the CO emission.
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