Evidence of Spectral Evolution on the white dwarf sample from the Gaia Mission

G. Ourique, S. O. Kepler, A. D. Romero +2

Since the Gaia data release 2, several works were published describing a bifurcation in the observed white dwarf colour$-$magnitude diagram for $\mbox{$G_{\mathrm{BP}}$}-\mbox{$G_{…