Fig. 10.
Dipole (ℓ = 1) asymptotic period spacing as a function of the effective temperature for the ONe evolutionary cooling sequence (thick curve) and the CO evolutionary cooling sequence with mass M⋆ = 1.10 M⊙. Both sequences were computed taking into account latent heat release and chemical redistribution caused by phase separation during crystallization (LH+PS case). Vertical dotted lines show the Teff interval of the ZZ Ceti instability strip.
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