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Table 5
Photometric and starspot properties of the WASP-41 system, as taken from Southworth et al. (2016).
| Parameter and unit | Symbol | WASP-41 |
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| Stellar mass (M⊙) | M ⋆ | 0.987 ± 0.021 |
| Stellar radius (R⊙) | R ⋆ | 0.866 ± 0.009 |
| Age (Gyr) |
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| Effective temperature (K) | T eff | 5546 ± 50 |
| Orbital semi-major axis (AU) | a | 0.0410 ± 0.0003 |
| Planetary mass (MJup) | M b | 0.977 ± 0.020 |
| Planetary radius (RJup) | R b | 1.178 ± 0.015 |
| Planetary surface gravity (m s-2) | g b | 17.45 ± 0.46 |
| Planetary density (ρJup) | ρ b | 0.558 ± 0.020 |
| Equilibrium temperature (K) | T eq | 1242 ± 12 |
| Sky-projected obliquity (°) | λ | 6 ± 11 |
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| Spot parameters and units | Symbol | LC 2015/05/13 |
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| Spot No. 1: | ||
| Longitude (°) | θ | − 36.3 ± 4.5 |
| Co-latitude (°) | φ | 74.7 ± 10.3 |
| Spot size (°) | α | 10.4 ± 6.5 |
| Spot contrast | ρ spot | 0.80 ± 0.14 |
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| Spot parameters and units | Symbol | LC 2015/05/17 |
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| Spot No. 1⋆: | ||
| Longitude (°) | θ | − 13.9 ± 5.2 |
| Co-latitude (°) | φ | 61.8 ± 6.5 |
| Spot size (°) | α | 14.3 ± 3.2 |
| Spot contrast | ρ spot | 0.86 ± 0.08 |
| Spot No. 2: | ||
| Longitude (°) | θ | 23.7 ± 1.6 |
| Co-latitude (°) | φ | 81.7 ± 6.5 |
| Spot size (°) | α | 14.3 ± 3.2 |
| Spot contrast | ρ spot | 0.89 ± 0.06 |
Notes. ⋆ We note that the spot parameters (Spot No. 1), which were originally presented in Southworth et al. (2016), have been corrected and we show the updated value in this table (J. Southworth, priv. comm. May 2017).
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