Table 2
Properties of the four spectral types of dynamical non-magnetic and magnetic stellar atmospheres.
| Spectral type | K8V | K2V | G2V | F5V | |||||
|---|---|---|---|---|---|---|---|---|---|
| initial Bz [G] | 0 | 50 | 0 | 50 | 0 | 50 | 0 | 50 | |
| 1 | rms(Bz MBF(z0)) [G] | 1438 ± 40 | 1348 ± 42 | 1282 ± 40 | 1248 ± 32 | ||||
| 2 | rms(Bz MBF(τR = 1)) [G] | 1575 ± 53 | 1598 ± 93 | 1480 ± 84 | 1565 ± 81 | ||||
| 3 | max(|Bz MBF(z0)|) [G] | 2204 ± 79 | 1871 ± 63 | 1739 ± 73 | 1675 ± 85 | ||||
| 4 | max(|Bz MBF(τR = 1)|) [G] | 2872 ± 175 | 2771 ± 191 | 2616 ± 248 | 3134 ± 334 | ||||
| 5 | Bz strong(z0) [G] | 1621 ± 230 | 1555 ± 136 | 1416 ± 146 | 1372 ± 135 | ||||
| 6 | Bz strong(τR = 1) [G] | 1800 ± 407 | 1951 ± 368 | 1660 ± 467 | 1754 ± 651 | ||||
| 7 | rms(Bz(z0)) [G] | 249.9 ± 5.5 | 248.0 ± 8.0 | 238.3 ± 7.2 | 237.9 ± 6.5 | ||||
| 8 | pgas(z0) [kPa] | 26.5 ± 0.1 | 26.9 ± 0.1 | 14.9 ± 0.1 | 15.2 ± 0.1 | 10.2 ± 0.1 | 10.5 ± 0.2 | 7.34 ± 0.1 | 7.52 ± 0.2 |
| 9 | pmag(z0) [kPa] | 8.2 ± 0.5 | 7.3 ± 0.5 | 6.5 ± 0.5 | 6.2 ± 0.3 | ||||
| 10 | pdyn(z0) [kPa] | 2.3 ± 0.2 | 1.8 ± 0.1 | 1.9 ± 0.1 | 1.7 ± 0.1 | 2.2 ± 0.1 | 2.0 ± 0.1 | 2.3 ± 0.1 | 2.2 ± 0.1 |
| 11 | ptot(z0) [kPa] | 28.8 ± 0.1 | 28.6 ± 0.1 | 16.7 ± 0.1 | 16.9 ± 0.1 | 12.4 ± 0.1 | 12.5 ± 0.2 | 9.68 ± 0.1 | 9.66 ± 0.2 |
| 12 | Beq th(z0) [G] | 2574 ± 5 | 2596 ± 5 | 1929 ± 5 | 1951 ± 7 | 1594 ± 11 | 1614 ± 12 | 1345 ± 13 | 1362 ± 15 |
| 13 | Beq dyn(z0) [G] | 710 ± 26 | 629 ± 18 | 641 ± 24 | 617 ± 18 | 703 ± 21 | 674 ± 20 | 720 ± 19 | 696 ± 17 |
| 14 | Beq tot(z0) [G] | 2685 ± 4 | 2681 ± 5 | 2048 ± 5 | 2058 ± 7 | 1762 ± 10 | 1765 ± 11 | 1552 ± 11 | 1550 ± 13 |
| 15 | ρint∕ρext(z0) [–] | 0.75 ± 0.02 | 0.54 ± 0.03 | 0.46 ± 0.04 | 0.36 ± 0.05 | ||||
| 16 | β(z0) [–] | 2.7 ± 0.2 | 1.3 ± 0.1 | 0.74 ± 0.1 | 0.38 ± 0.1 | ||||
| 17 | Teff (actual) [K] | 3976 ± 4 | 3981 ± 3 | 4957 ± 8 | 4968 ± 11 | 5761 ± 14 | 5775 ± 16 | 6434 ± 13 | 6447 ± 14 |
| 18 | Ibol 0 [erg cm−2 s−1 sr−1] | 5.15 × 109 | 1.32 × 1010 | 2.38 × 1010 | 3.65 × 1010 | ||||
| 19 | Fbol 0 [erg cm−2 s−1] | 1.42 × 1010 | 3.42 × 1010 | 6.25 × 1010 | 9.71 × 1010 | ||||
| 20 | bol⟩∕⟨Ibol 0 sun⟩ [–] | 0.22 | 0.22 | 0.56 | 0.56 | 1.0 | 1.01 | 1.53 | 1.54 |
| 21 | crms [%] | 5.6 ± 0.1 | 5.5 ± 0.1 | 9.8 ± 0.3 | 10.4 ± 0.3 | 15.3 ± 0.5 | 14.9 ± 0.5 | 18.7 ± 0.3 | 18.4 ± 0.3 |
| 22 | cMBF rms [%] | 9.3 ± 1.4 | 25.6 ± 3.0 | 18.7 ± 2.9 | 18.8 ± 1.5 | ||||
| 23 | cMBF max [%] | 49 ± 11 | 86 ± 12 | 72 ± 12 | 61 ± 16 | ||||
| 24 | cMBF-gran [%] | 0.43 ± 1.3 | 14.2 ± 3.1 | 0.56 ± 3.4 | − 7.8± 3.1 | ||||
| 25 |  [%] |
0.30 ± 0.4 ± 0.03 | 0.65 ± 1.1 ± 0.03 | 0.79 ± 1.5 ± 0.06 | 0.43 ± 1.2 ± 0.06 | ||||
| 26 |  [%] |
0.47 ± 0.5 ± 0.04 | 0.85 ± 1.1 ± 0.03 | 1.02 ± 1.5 ± 0.07 | 0.82 ± 1.2 ± 0.06 | ||||
| 27 |  [%] |
0.17 | 0.20 | 0.23 | 0.39 | ||||
| 28 | WD [km] | 46 ± 16 | 94 ± 37 | 160 ± 60 | 231 ± 108 | ||||
| 29 | WD∕Hp(τR = 1) [–] | 0.5 ± 0.2 | 0.8 ± 0.3 | 1.1 ± 0.4 | 1.6 ± 0.8 | ||||
| 30 | WDw [km] | 60 ± 14 | 139 ± 34 | 232 ± 65 | 388 ± 113 | ||||
| 31 | WDw ∕Hp (τR = 1) [–] | 0.7 ± 0.2 | 1.2 ± 0.3 | 1.6 ± 0.4 | 2.7 ± 0.8 | ||||
| 32 | AMBF ∕Atotal [%] | 2.17 ± 0.07 | 2.29 ± 0.11 | 2.03 ± 0.18 | 2.17 ± 0.12 | ||||
| 33 | Agran ∕Atotal [%] | 56.4 ± 1.8 | 57.7 ± 1.2 | 53.0 ± 1.8 | 52.9 ± 1.3 | 55.0 ± 2.5 | 54.8 ± 2.4 | 57.3 ± 1.9 | 56.2 ± 1.7 |
Notes. Indicated scatter is the 1σ deviation in the temporal fluctuation of the quantities. For the precise definition of the quantities, see text (Sects. 3–7) and formulas. For their derivation, data of the full simulation time of 38 000 s with a cadence of 250 s were used, except for rows 17–21 and 25–27 for which the cadence was 10 s.
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