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Table 3
Effect of varying the mixing length parameter with effective temperature and surface gravity.
| M (M⊙) | αMLT | Teff (K) | R (R⊙) | |
|
|
||||
| V20s | ||||
| Measurement | 0.8276 | – | 4860 | 0.7813 |
| Measurement uncertainty(1σ) | 0.0022 | – | 125 | 0.0053 |
| Model – fixed αMLT | 0.8276 | 2.005 | 4837 | 0.789 |
| Model – variable αMLT | 0.8276 | 2.265 | 4889 | 0.779 |
| Change | – | +0.26 | +52 | –0.010 |
|
|
||||
| V18s | ||||
| Measurement | 0.9293 | – | 5430 | 0.9708 |
| Measurement uncertainty(1σ) | 0.0032 | – | 125 | 0.0089 |
| Model – fixed αMLT | 0.9293 | 2.005 | 5302 | 0.933 |
| Model – variable αMLT | 0.9293 | 2.075 | 5323 | 0.927 |
| Change | – | +0.07 | +21 | –0.006 |
Notes. For the model with fixed mixing length the value was obtained from a solar calibration. The models with variable mixing length has added to this value a difference predicted using Fig. 6 of Trampedach & Stein (2011).
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