Table 2.
Comparative properties of spinning-down white dwarfs.
| Property | V1405 Cas | AR Sco | LAMOST J0240 | AE Aqr | Gaia22ayj |
|---|---|---|---|---|---|
| P (s) | 116.88 | ∼118 | 24.93 | 33.08 | 561.6 |
| Ṗ (s/s) | ≈1.9 × 10−8 | ≈3.9 × 10−13 | ≈2.8 × 10−14 | ≈5.6 × 10−14 | ≈2.9 × 10−12 |
| Lsd (erg/s) | ≈4.7 × 1036 | ≈1.5 × 1033 | ≈1.2 × 1033 | ≈6 × 1033 | ≈6.5 × 1031 |
Notes. References for comparison systems: AE Aqr (Wynn et al. 1997); LAMOST J0240 (Jiang et al. 2024); Gaia22ayj (Rodriguez et al. 2025); AR Sco (Marsh et al. 2016). In the case of AR Sco, its spin-down has been a matter of debate Pelisoli et al. (2022, and references therein).
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