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Table 1

Range of parameters considered in the simulations.

Parameter Symbol Stellar value Planetary value Units

Radius R, R° 1 R 11.5 RJ RJ ≃ 10-1R
Mass M, M° 1 M 0.51 MJ MJ ≃ 10-3M
Temperature at the base of the outflow T, T° 106 6 × 103104 K
Density at the base of the outflow ρ, ρ° 5 × 10-15 7 × 10-173 × 10-13 g cm-3
Equatorial surface magnetic field B, B° 2 0.11 G
Escape speed at the base of the outflow vesc ∗, vesc ° 620 3560 km s-1
Sound speed at the base of the outflow cs ∗, cs ° 130 913 km s-1
Escape velocity parameter (1 / 2)(vesc/cs)2 λ, λ° 11.5 3.823
Plasma β[P/ (B2/ 8π)] at the base of the outflow β, β° 5 0.002400
Rotation period , 12 1.23.7 days
Rotation speed parameter R/cs)2 ϵ, ϵ° 0.1 0.030.5
Lagrange point 1 L1 ∗, L 4.69.5 R 2.76.9 RJ RJ ≃ 10-1R

Stellar UV flux FUV 5 × 1025 × 105 erg cm-2 s-1
Orbital radius Rorb 0.0230.047 AU
Orbital period 1.23.7 days
Orbital speed v orb 138195 km s-1

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