Open Access
Table 5.
Top: Most probable parameters of Alkaid with steady 2D-ESTER models. Bottom: 2D-ESTER concordance model of Alkaid that fits all the observed quantities.
| Stellar parameter | Our derivation |
|---|---|
| i (°) | 41.9 ± 8.2 |
| M (M⊙) | 5.071 ± 0.023 |
| Lapp (L⊙) | 593.7 ± 16.8 |
| Req (R⊙) | 2.891 ± 0.057 |
| Ωeq/Ωc | 0.413 ± 0.062 |
| Xcore/Xenv | 0.971 ± 0.024 |
| TIRFM (K) | 16841 ± 37 |
| c1′ | −0.874 ± 0.006 |
| c2 | 6.057 ± 0.006 |
| Best Alkaid model | |
| Parameters | This work |
| M (M⊙) | 5.085 |
| L (L⊙) | 574 |
| Rpole (R⊙) | 2.665 |
| Req (R⊙) | 2.894 |
| ϵ = 1 − Rpole/Req | 0.079 |
| Teffpole (K) | 17 720 |
| Teffeq (K) | 16 329 |
| Veq (km/s) | 240 |
| Protpole (h) | 15.6 |
| Proteq (h) | 14.6 |
| Xenv | 0.70 |
| Xcore | 0.679 |
| Z | 0.020 |
| i (°) | 42 |
| Lapp (L⊙) | 596 |
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