Close binary evolution based on Gaia DR2: the origin of late WC-type Wolf-Rayet stars with low luminosity

Weiguo Peng, Hanfeng Song, Georges Meynet +8

The observed late-type WC Wolf-Rayet stars (WC7-9) with low luminosity below $\log L/{\mathrm{L}}_{\odot }<5.4$ in the HR diagram cannot be reproduced satisfactorily by the evolutionary…