Fig. 2.
Absolute magnitude of the white dwarfs in the Pleiades and Praesepe clusters as a function of the GBP − GRP colour. The error boxes (pink for the only known WD in the Pleiades, and green for the Praesepe WDs) correspond to the Gaia DR2 photometric (plus parallax) errors. The WD cooling tracks of Bergeron et al. (2011) for various masses are shown in light blue (see text for details).
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