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Table 1.

Summary of the runs.

Run Prot [days] Ta [108] urms [m s−1] Brms [kG] Co Co(ω) Rat Re Pe ReM τsim [years] DR Grid
HD1 − − 18 − − − 6.5 × 105 189 37 − 302 − 2883
RHD1 433 0.16 17 − 0.6 0.1 2.3 × 106 181 36 − 58 Anti-solar 2883
RHD2 144 1.4 15 − 1.9 0.2 1.7 × 106 159 31 − 37 Solar-like 2883
RHD3 43 16 15 − 6.4 0.9 4.8 × 106 159 31 − 36 Solar-like 2883
RHD4 14 144 9.0 − 31 3.0 1.3 × 107 96 19 − 220 Solar-like 2883
RHD5 4.3 1600 5.7 − 166 11 7.9 × 107 61 12 − 209 Solar-like 2883
MHD0 − − 18 No dynamo − − 6.5 × 105 189 37 95 87 − 2883
MHD1 433 0.16 14 11 0.7 0.1 1.2 × 106 145 29 72 143 Anti-solar 2883
MHD1h 433 1.4 14 12 0.7 0.1 3.6 × 106 293 58 146 79 Anti-solar 5763
MHD2 144 1.4 14 4.5 2.0 0.3 1.7 × 106 152 30 76 107 Solar-like 2883
MHD3 43 16 10 10 9.1 1.2 3.2 × 106 111 22 55 134 Solar-like 2883
MHD3h 43 64 10 12 9.4 1.4 8.0 × 106 215 43 107 83 Solar-like 5763
MHD4 14 144 5.8 13 49 3.6 7.8 × 106 62 12 31 201 Solar-like 2883
MHD5 4.3 2500 2.6 19 366 24 1.1 × 107 34 6 17 302 Solar-like 2883
MHD5h 4.3 104 2.5 23 375 14 3.7 × 107 67 13 33 149 Solar-like 5763

Notes. All simulations have ℒ = 5.5 × 105. The diffusion coefficients in the lower resolutions (2883) runs are ν = 2.8 × 106 m2 s−1, m2 s−1, and η = 5.6 × 106 m2 s−1, in all cases except in run MHD5 where ν = 2.2 × 106 m2 s−1, m2 s−1, and η = 4.4 × 106 m2 s−1. In runs MHD1h and MHD3h ν = 1.4 × 106 m2 s−1, m2 s−1, and η = 2.8 × 106 m2 s−1, whereas in run MHD5h ν = 1.1 × 106 m2 s−1, m2 s−1, and η = 2.2 × 106 m2 s−1. Run MHD0 is the same as run HD1 but with magnetic fields included. The initial value of χ = 2.0 × 103 m2 s−1 at the centre of the star. The quantity τsim is the length of the statistically steady part of the simulations and the last column indicates the sense of the differential rotation (DR).

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