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Table 5.
Average offsets (μ) and maximum errors (m) for different grid resolutions.
| Method for interpolation along | |||
|---|---|---|---|
| Resolution | Errors | Cubic polynomial | Cubic splines |
| 1/1 | μ (μHz) | 7.0 × 10−4 | 3.4 × 10−4 |
| m (μHz) | 4.1 × 10−2 | 3.3 × 10−2 | |
| 1/2 | μ (μHz) | 3.3 × 10−3 | 1.0 × 10−3 |
| m (μHz) | 1.1 × 10−1 | 8.3 × 10−2 | |
| 1/3 | μ (μHz) | 1.3 × 10−2 | 5.4 × 10−3 |
| m (μHz) | 3.4 × 10−1 | 2.1 × 10−1 | |
| 1/4 | μ (μHz) | 3.5 × 10−2 | 1.6 × 10−2 |
| m (μHz) | 8.3 × 10−1 | 5.6 × 10−1 | |
| 1/5 | μ (μHz) | 7.3 × 10−2 | 3.1 × 10−2 |
| m (μHz) | 1.7 × 100 | 1.1 × 100 | |
| 1/6 | μ (μHz) | 1.4 × 10−1 | 1.3 × 10−1 |
| m (μHz) | 2.8 × 100 | 3.4 × 100 | |
Notes. Results from interpolation along the evolutionary track with M = 1.245 M⊙, which considers a cubic polynomial or a cubic splines method, and ρc as the age proxy, applied to ℓ = 1 mode frequencies and for the indicated grid resolutions, 1/k.
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