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Table 3.
Top: Most probable parameters of Rasalhague with 2D-ESTER models using the interferometric constraint on equatorial radius by Monnier et al. (2010). Bottom: 2D-ESTER concordance model of Rasalhague that fits all the observed quantities. The M10 column shows values derived by Monnier et al. (2010).
| Stellar parameter | Our derivation | |
|---|---|---|
| i (°) | 68.9 ± 5.6 | |
| M (M⊙) | 2.225 ± 0.021 | |
| Lapp (L⊙) | 27.08 ± 0.87 | |
| Req (R⊙) | 2.858 ± 0.009 | |
| Ωeq/Ωc | 0.628 ± 0.026 | |
| Xcore/Xenv | 0.361 ± 0.016 | |
| TIRFM (K) | 8035 ± 63 | |
| c1′ | 1.310 ± 0.163 | |
| c2 | 4.748 ± 0.137 | |
| Best Rasalhague model | ||
| Parameters | This work | M10 |
| M (M⊙) | 2.225 | 2.18 ± 0.02 |
| L (L⊙) | 29.3 | 31.3 ± 1 |
| Rpole (R⊙) | 2.383 | 2.388 ± 0.013 |
| Req (R⊙) | 2.859 | 2.858 ± 0.015 |
| ϵ = 1 − Rpole/Req | 0.167 | 0.164 |
| Teffpole (K) | 9051 | 9384 ± 154 |
| Teffeq (K) | 7609 | 7569 ± 124 |
| Veq (km/s) | 242 | |
| Protpole (h) | 14.76 | |
| Proteq(h) | 14.33 | 14.55 ± 0.35 |
| Xenv | 0.72 | |
| Xcore | 0.260 | |
| Z | 0.019 | |
| i(°) | 69 | |
| Lapp (L⊙) | 26.9 | 25.6 |
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