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Table 1
Properties of the systems HD 209458 and HD 189733.
| HD 209458 | HD 189733 | |
|
|
||
| Distance Sun-Star (pc) | 47 | 19.3 |
| Distance Planet-Star (AU) | 0.047 | 0.03142 |
| Mp(MJup) | 0.69 ± 0.01 | 1.150 ± 0.028 |
| Rp(RJup) | 1.339 ± 0.002 | 1.151 ± 0.036 |
| ρp(ρJupiter) | 0.26 ± 0.04 | 0.755 ± 0.066 |
| g0(m s-2) | 9.54 ± 0.69 | 21.5 ± 1.2 |
| Porbit (days) | 3.5247489(2) | 2.21857578(80) |
| M ⋆ (M⊙) | 1.083 ± 0.005 | 0.840 ± 0.030 |
| R ⋆ (R⊙) | 1.118 ± 0.002 | 0.752 ± 0.023 |
| Spectral type | G0 V | K1 V–K2 V |
Notes. The 1σ uncertainty in Porbit is given in parentheses in units of the last digits.
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