Open Access
Table 2
Frequency of polarimetrically non-variable stars among normal-mass white dwarfs (M ≤ 1 M⊙).
| τ ≤ 2 Gyr | τ > 2 Gyr | |
|---|---|---|
| (‘young stars’) | (‘old stars’) | |
| 〈|B|〉 ≤ 1 MG (‘weak fields’) | 13 ± 9% (2/15) | 11 ± 10% (1/9) |
| 1 MG ≤ 〈|B|〉 ≤ 10 MG | 0 % (0/4) | 50 ± 18% (4/8) |
| 〈|B|〉 ≥ 10 MG (‘strong fields’) | 25 ± 15% (2/8) | 94 ± 6% (16/17) |
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