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Table 1

Summary of the runs.

Run Ra [106] Pr PrSGS PrM Ta [108] ν [108 m2 s-1] Re Pe ReM Co Δt SSD BCs Grid

A1 5 0.8 71.7 0.25 0.25 1.25 1.01 20 5 5 14.0 0.4 PC 128 × 256 × 128
A2 5 0.8 71.7 0.25 0.50 1.25 1.01 18 4 9 15.1 0.4 PC 128 × 256 × 128
A3 5 0.8 71.7 0.25 1.00 1.25 1.01 17 4 17 15.9 56 PC 128 × 256 × 128
A4 5 0.8 71.7 0.25 2.00 1.25 1.01 22 5 45 12.4 37 PC 128 × 256 × 128
A5 5 0.8 71.7 0.25 3.33 1.25 1.01 23 5 79 11.7 26 NF 256 × 512 × 256

B1 5 2.9 71.7 0.50 0.25 1.25 1.01 25 12 6 11.1 5.5 PC 128 × 256 × 128
B2 5 2.9 71.7 0.50 0.50 1.25 1.01 24 12 12 11.3 27 PC 128 × 256 × 128
B3 5 2.9 71.7 0.50 1.00 1.25 1.01 27 13 27 10.3 26 PC 128 × 256 × 128
B4 5 2.9 71.7 0.50 2.00 1.25 1.01 29 14 58 9.7 50 PC 128 × 256 × 128
B5 5 2.9 71.7 0.50 5.00 1.25 1.01 27 13 137 10.3 23 + NF 256 × 512 × 256

C1 5 10 71.7 1.00 0.25 1.25 1.01 28 28 7 9.9 27 PC 128 × 256 × 128
C2 5 10 71.7 1.00 0.50 1.25 1.01 29 29 14 9.6 44 PC 128 × 256 × 128
C3 5 10 71.7 1.00 1.00 1.25 1.01 29 29 29 9.4 108 PC 128 × 256 × 128
C4 5 10 71.7 1.00 1.43 1.25 1.01 30 30 44 9.1 65 PC 128 × 256 × 128
C5 5 10 71.7 1.00 5.00 1.25 1.01 29 29 146 9.6 35 + NF 256 × 512 × 256

D1 5 36 71.7 2.00 0.25 1.25 1.01 30 60 7 9.3 4.2 PC 128 × 256 × 128
D2 5 36 71.7 2.00 0.50 1.25 1.01 29 59 14 9.5 60 PC 128 × 256 × 128
D3 5 36 71.7 2.00 1.00 1.25 1.01 29 59 29 9.4 61 PC 128 × 256 × 128
D4 5 36 71.7 2.00 2.00 1.25 1.01 29 59 59 9.5 43 + PC 128 × 256 × 128
D5 5 36 71.7 2.00 3.33 1.25 1.01 29 59 98 9.5 25 + NF 256 × 512 × 256

E1 3 10 71.7 1.00 0.50 0.45 1.01 33 33 16 5.0 12 PC 144 × 288 × 144
E2 3 10 71.7 1.00 1.00 0.45 1.01 34 34 34 4.9 55 PC 144 × 288 × 144
E3 3 10 71.7 1.00 2.00 0.45 1.01 32 32 65 5.2 70 + NF 144 × 288 × 144
E4 3 10 71.7 1.00 4.00 0.45 1.01 33 33 134 5.0 19 + NF 288 × 576 × 288

F1 1 10 71.7 1.00 0.50 0.05 1.01 40 40 20 1.4 20 PC 144 × 288 × 144
F2 1 10 71.7 1.00 1.00 0.05 1.01 39 39 39 1.4 43 PC 144 × 288 × 144
F3 1 10 71.7 1.00 2.00 0.05 1.01 38 38 76 1.5 49 + PC 144 × 288 × 144
F4 1 10 71.7 1.00 4.00 0.05 1.01 37 37 151 1.5 30 + NF 288 × 576 × 288

G1 5 10 71.7 1.00 1.00 1.25 1.01 29 29 29 9.4 108 PC 128 × 256 × 128
G2 5 73 35.9 1.00 1.00 5.00 0.51 66 66 66 8.5 47 + NF 256 × 512 × 256
G3 5 488 17.9 1.00 1.00 20.01 0.25 134 134 134 8.4 14 + NF 512 × 1024 × 512

Notes. Summary of the runs. Here, , where Ω = 2.7 × 10-6 s-1 is the solar rotation rate, Δt (in years) is the length of the time series considered, and the columns SSD and BCs indicate whether a small-scale dynamo is present and the type of latitudinal magnetic field boundary condition, respectively. The last column indicates the grid resolution. All runs have ℒ = 3 × 10-5 and ξ = 0.02. Runs C3 and G1 are the same.

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