Table 1.
Most external layers of the atmosphere of the model with chemical composition [X = 0.703, Y = 0.280, Z = 0.017], log L/L⊙ = 0. log Teff = 3.762, age = 4.6 Gyr best reproducing the position of the Sun in the HR diagram.
| Pressure | Λo | ξe/D | Π′ | Π | ΛML |
|---|---|---|---|---|---|
| 5.261 | 2.1340 | 7.4274 | 1.0000 | 1.0000 | 1.775 |
| 5.301 | 1.9056 | 3.7535 | 1.0000 | 0.8885 | 1.830 |
| 5.341 | 1.7015 | 2.3745 | 1.0000 | 0.7707 | 1.960 |
| 5.381 | 1.4720 | 1.6275 | 0.7471 | 0.6947 | 2.012 |
| 5.421 | 1.2392 | 1.2470 | 0.5355 | 0.6845 | 1.894 |
| 5.461 | 1.0472 | 1.0160 | 0.4144 | 0.7096 | 1.716 |
| 5.501 | 0.9039 | 0.8423 | 0.8076 | 0.7400 | 1.571 |
| 5.541 | 0.7940 | 0.6933 | 0.8213 | 0.7571 | 1.482 |
| 5.581 | 0.7004 | 0.5926 | 0.8307 | 0.7925 | 1.373 |
| 5.621 | 0.6400 | 0.4916 | 0.8864 | 0.7989 | 1.335 |
| 5.661 | 0.5755 | 0.4210 | 0.9101 | 0.8200 | 1.272 |
| 5.701 | 0.5276 | 0.3653 | 0.9555 | 0.8454 | 1.212 |
Notes. As a function of the logarithm of the pressure (in dyn cm−2) the coefficient Λo of Eq. (59), the ratio ξe/D, the ratios Π and Π′, and the mixing length Λ according to the MLT formalism are shown. D is the distance of the layer under consideration from the surface. The ratios Π and Π′ are given by Eqs. (46), (51), and (52), respectively. The line to look at is the one where ξe/D ≃ 1.
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