Table 1: Chemical compositions of the white dwarf envelope models in mass fractions. $Z_{\rm s}$ contains metals (all elements except H and He) in solar fraction. $\delta$ X_i indicates the extra mass fraction of element i beyond that included in $Z_{\rm s}$ . The total abundance of metals is indicated by $Z_{\rm total}$ .
WD Mixing Name X Y $Z_{\rm s}$ $Z_{\rm total}$

$\delta X_{\rm O}$ $\delta X_{\rm Ne}$

ONe 75% ONe75 0.18 0.08 0.12 0.38 0.24 0.74

ONe 50% ONe50 0.35 0.15 0.09 0.25 0.16 0.5

ONe 25% ONe25 0.53 0.2 0.06 0.13 0.08 0.27

$\delta X_{\rm C}$ $\delta X_{\rm O}$

CO 50% CO50 0.35 0.14 0.02 0.245 0.245 0.51

**Table 1:** Chemical compositions of the white dwarf envelope models in mass fractions. $Z_{\rm s}$ contains metals (all elements except H and He) in solar fraction. $\delta$ X_i indicates the extra mass fraction of element i beyond that included in $Z_{\rm s}$ . The total abundance of metals is indicated by $Z_{\rm total}$ .
WD	Mixing	Name	X	Y	$Z_{\rm s}$			$Z_{\rm total}$
						$\delta X_{\rm O}$	$\delta X_{\rm Ne}$
ONe	75%	ONe75	0.18	0.08	0.12	0.38	0.24	0.74
ONe	50%	ONe50	0.35	0.15	0.09	0.25	0.16	0.5
ONe	25%	ONe25	0.53	0.2	0.06	0.13	0.08	0.27
						$\delta X_{\rm C}$	$\delta X_{\rm O}$
CO	50%	CO50	0.35	0.14	0.02	0.245	0.245	0.51

Source LaTeX | All tables | In the text

	1 Introduction
	2 The white dwarf envelope model
	3 Results
	4 Analytical relations between main envelope properties
	5 Quasi-static temporal evolution
	6 Summary
	References