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Table 1
Properties of the outer layers in a 20 M⊙ and 60 M⊙ model main-sequence stars of solar metallicity at ages 6.41 × 106 yr and 2.37 × 106 yr respectively, corresponding to about 90% and 80% of the main-sequence lifetime.
Mini | R ⋆ | RFeCZa | ΔRFeCZb | HPc | 3cd | ρe | ΔMFeCZf | ΔMtopg | τturnh | τconvi | Ṁj | ||
M⊙ | R⊙ | R⊙ | R⊙ | R⊙ | km s-1 | g cm-3 | M⊙ | M⊙ | days | days | M⊙ yr-1 | ||
|
|||||||||||||
20 | 10.46 | 10.20 | 0.28 | 0.08–0.24 | 10.74 | 7.4 × 10-8 | 3.6 × 10-6 | 5.8 × 10-7 | 0.53 | 18 250 | 7.3 × 10-8 | ||
60 | 22.04 | 21.34 | 2.84 | 0.23–1.93 | 69.26 | 6.2 × 10-9 | 1.6 × 10-5 | 9.8 × 10-7 | 0.61 | 1570 | 3.7 × 10-6 |
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