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Table 1
Physical parameters for HD 209458b and HD 189733b, and numerical parameters with fixed values for all simulations.
| Parameters | Symbol | Value | |||
| HD 209458b | HD 189733b | ||||
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| Distance from Earth | D∗ | 47.0 pc | 19.3 pc | ||
| Star radius | R∗ | 1.146 R⊙ | 0.755 R⊙ | ||
| Star mass | M∗ | 1.148 M⊙ | 0.820 M⊙ | ||
| Planet radius | R pl | 1.380 RJup | 1.138 RJup | ||
| Planet mass | M pl | 0.69 M⊙ | 1.15 M⊙ | ||
| Orbital period | T pl | 3.52475 days | 2.21858 days | ||
| Semi-major axis | a pl | 0.047 AU | 0.031 AU | ||
| Inclination | i pl | 86.59° | 85.51° | ||
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| Time step | dt | ≈300 s | |||
| Velocity resolution | Δv | 20 km s-1 | |||
| Elementary | dτ | 0.05 | |||
| Optical depth | |||||
| Number of atoms | N meta | 4.75 × 1031 | 2.06 × 1031 | ||
| Per meta-particle | |||||
| Thermal speed | v therm | 13.5 km s-1 | 15.3 km s-1 | ||
| Launching radius | R launch | 2.80 Rpl | 2.95 Rpl | ||
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