Table 3
Quantities of different runs with Gadget2, of which some are plotted in Fig. 5.
Model | ![]() |
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τṀ (yr) |
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G4 | (− 4.6 ± 0.1) × 10-7 | (− 3.20 ± 0.1) × 10-7 | (0.79 ± 0.06) × 10-7 | (− 2.2 ± 0.2) × 10-7 | (1.7 ± 0.1) × 103 |
G8 | (− 2.76 ± 0.07) × 10-7 | (− 1.93 ± 0.03) × 10-7 | (0.94 ± 0.04) × 10-7 | (− 1.78 ± 0.06) × 10-7 | (4.5 ± 0.01) × 103 |
G16 | −1.68 × 10-7 | −1.27 × 10-7 | 1.03 × 10-7 | −1.44 × 10-7 | 8.5 × 103 |
G32 | −0.66 × 10-7 | −0.86 × 10-7 | 1.10 × 10-7 | −0.90 × 10-7 | 24.0 × 103 |
G64 | −0.15 × 10-7 | −0.54 × 10-7 | 1.09 × 10-7 | −0.70 × 10-7 | 114.0 × 103 |
G128 | 0.11 × 10-7 | −0.38 × 10-7 | 1.13 × 10-7 | −0.64 × 10-7 | 167.5 × 103 |
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G16NFa | −0.81 × 10-7 | −0.45 × 10-7 | − | −0.35 × 10-7 | 48.0 × 103 |
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G16CV | −1.10 × 10-7 | −2.44 × 10-7 | 1.35 × 10-7 | 0 × 10-7 | 16.1 × 103 |
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Mdisc (M⊙) | Rdisc (AU) | ![]() |
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G4 | (7.7 ± 0.6) × 10-4 | 28.5 ± 0.6 | (− 2.86 ± 0.09) × 1032 | (2.5 ± 0.1) × 103 | |
G8 | (12.33 ± 0.02) × 10-4 | 24.8 | (− 2.13 ± 0.02) × 1032 | (4.2 ± 0.1) × 103 | |
G16 | 14.31 × 10-4 | 21.0 | −1.72 × 1032 | 5.6 × 103 | |
G32 | 15.76 × 10-4 | 20.3 | −1.22 × 1032 | 8.0 × 103 | |
G64 | 16.76 × 10-4 | 20.3 | −0.98 × 1032 | 10.3 × 103 | |
G128 | 17.67 × 10-4 | 18.8 | −0.90 × 1032 | 11.8 × 103 | |
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G16NFa | 38.61 × 10-4 | 98.3 | −0.67 × 1032 | 70.9 × 103 | |
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G16CV | 17.69 × 10-4 | 28.75 | −1.37 × 1032 | 9.7 × 103 |
Notes. Top table from left to right: the model, the rate of mass change of the disc, the accretion rate onto the star, the ISM loading rate onto the disc and star system, the rate at which original disc material is stripped from the outer edge of the disc and the estimate for the timescale on which the disc would lose all its mass. Note that τṀ is in italic for the G128 simulation, because the disc actually gains mass in this model. Bottom table from left to right: the model, the mass of the disc at the end of the simulation (t = 2500 yr), the radius of the disc at t = 2500 yr, the rate at which the disc loses angular momentum and an estimate for the timescale on which the disc would lose all its angular momentum.
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