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Table 1
Main properties of the WASP-18 system.
| Name | Type | Mass | Radius | Distance | Teff | V | Age |
| WASP-18 | F6IV-V | 1.28 ± 0.09 M⊙ | 1.29 ± 0.16 R⊙ | 100 ± 10 pc | 6400 ± 75 K | 9.3 mag | 0.63 (0.5–2 Gyr) |
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| Name | Type | Mass | Radius | Period | Semi-major axis | Note | |
| WASP-18b | hot Jupiter | 10.4 ± 0.4 M Jup | 1.165 ± 0.077 R Jup | 0.9414518 ± 4 × 10-7 d | 0.0205 ± 0.0004 AU | Transiting | |
Notes. Photospheric data from Doyle et al. (2013), other data from the catalog at exoplanet.eu. The range of age is from Southworth et al. (2009).
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