Stellar and planetary parameters for WASP-23 derived from light curve and RV fits to the GROND photometry and RV measurements from Triaud et al. (2011).
|Quantity||Symbol||This work||Triaud et al. (2011)|
|Mass (M⊙)||M ∗|
|Radius (R⊙)||R ∗|
|Luminosity (L⊙)||L ∗||–|
|Density (cgs)||ρ ∗|
|Surface gravity (cgs)||log (g∗)||4.4 ± 0.2|
|Effective temperature (K)||T eff||5150 ± 100|
|Metallicity||[Fe/H]||− 0.05 ± 0.13|
|Semi-major axis (AU)||a|
|Mass ( MJ)||M P|
|Radius ( RJ)||R P|
|Density (cgs)||ρ P||–|
|Surface gravity||log (gP)||–|
|Equilibrium temperaturea (K)||T eq||–|
|Incident flux (109 erg s-1 cm-2)||⟨ F ⟩||–|
|Orbital period (day)||P||2.9444300 ± 0.0000011|
|Reference transit time (BJD)||T 0||2 454 813.68159 ± 0.00042|
|RV semi-amplitude (m/s)||K||–|
Assuming a little redistribution over the surface of the planet, i.e., the area that is reemitting with average temperature Teq is , as in Hansen & Barman (2007).
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