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Table 1.
H and He mass content of our ONe-core ultra-massive DA WD models, together with the effective temperature and surface gravity at the onset of crystallization, and the fraction of crystallized mass at the blue and red edges of the ZZ Ceti instability strip.
| M⋆/M⊙ | MH/M⋆ | MHe/M⋆ |
|
log gc | Mc/M⋆ | Mc/M⋆ |
|---|---|---|---|---|---|---|
| (×10−6) | (×10−5) | (K) | (cgs) | (Teff = 12 500 K) | (Teff = 10 500 K) | |
| 1.098 | 1.5 | 29.6 | 19 881 | 8.83 | 0.81 | 0.92 |
| 1.159 | 1.5 | 15.7 | 23 291 | 8.95 | 0.90 | 0.96 |
| 1.226 | 1.5 | 6.38 | 28 425 | 9.12 | 0.96 | 0.98 |
| 1.292 | 1.5 | 1.66 | 37 309 | 9.33 | 0.994 | 0.998 |
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