Table 1
Physical parameters of planets HD 209458b and HD 189733b and their host stars.
| Star system | Planet | Host star | |||||
|
|
|||||||
| Mass | Radius | a | Mass | Radius | Type | Age | |
| [MJ] | [RJ] | [AU] | [M⊙] | [R⊙] | [Gyr] | ||
|
|
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| HD 209458 | 0.691 | 1.361 | 0.0471 | 1.121 | 1.202 | G0 | 4.03 |
| HD 189733 | 1.141 | 1.141 | 0.0311 | 0.811 | 0.812 | K0 | 1−2 4 |
Notes. Planetary masses are given in Jupiter masses (MJ) and radii are given in Jupiter radii (RJ). Stellar masses are given in terms of the solar mass (M⊙) and stellar radii, in terms of the solar radius (R⊙). Orbital distance is denoted a. The age given for HD 189733 corresponds to the “apparent” age for X-ray observations, see Sect. 2.3.
Reference. (1)Torres et al. (2008), (2)Boyajian et al. (2015), (3)Melo et al. (2006), (4)Poppenhaeger & Wolk (2014).
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