Open Access
Table 1
Summary of key model parameters.
| Parameter | Value |
|---|---|
| IMF slopes (α) | 1.3 (m < 0.5 M⊙) |
| 1.8 (0.5 ≤ m < 1.53 M⊙) | |
| 3.2 (m ≥ 1.53 M⊙) | |
| Thin disc SFH | exp(−0.12 · τ) |
| Thick disc & bar SFR peak | 9 Gyr |
| Halo SFR peak | 12.7 Gyr |
| Thin disc scale length | 3771 pc (young populations) 2386 pc (at 10 Gyr) |
| Bar axis lengths (x, y, z) | 1.460, 0.490, 0.300 kpc |
| Bar orientation | 12.89° from Sun–GC line |
| Sun–Galactic centre distance | 8 kpc |
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