Table 1
Parameters of the WASP-80 system.
| 1SWASP J201240.26-020838.2 | |||
| 2MASS J20124017-0208391 | |||
| TYC 5165-481-1 | |||
| BPM 80815 | |||
|
|
|||
| Filter | Magnitude | Filter | Magnitude |
|
|
|||
| 2MASS 1 | NOMAD 2 | ||
| J | 9.218 ± 0.023 | B | 12.810 |
| H | 8.513 ± 0.026 | V | 11.870 |
| K | 8.351 ± 0.022 | R | 11.110 |
| TASS4 3 | CMC14 4 | ||
| V | 11.881 ± 0.228 | r ′ | 11.358 ± 0.011 |
| I | 10.279 ± 0.105 | ||
|
|
|||
| Parameter | Value & 1σ error | Parameter | Value & 1σ error |
|
|
|||
| from spectral line analysis | |||
| Spectral type | K7V | Distance | 60 ± 20 pc |
| T eff | 4145 ± 100 K | [Fe/H] | −0.14 ± 0.16 |
| log g | 4.6 ± 0.2 (cgs) | log A(Li) | <0.0 ± 0.2 |
| vsini⋆ | 3.55 ± 0.33 km s-1 | ξ t | 0.3 ± 0.3 km s-1 |
| Mass | 0.58 ± 0.05 M⊙ | Radius | 0.63 ± 0.15 R⊙ |
| jump parameters for the MCMC | |||
| Period | 3.0678504  d |
T0 (BJD) | 2 456 125.417512  |
| Depth | 0.02933  |
Width | 0.08800  d |
|
0.48  |
b | 0.019  R⊙ |
|
± 1.78  |
K | 110.9  m s-1 |
| derived parameters from the MCMC | |||
| Rp/R⋆ | 0.17126  |
f(m) | 0.425 × 10-9 |
| R⋆/a | 0.07699  |
Rp/a | 0.013183  |
| log g⋆ | 4.689  (cgs) |
log gp | 3.178  (cgs) |
| ρ ⋆ | 3.117  ρ⊙ |
ρ p | 0.554  ρjup |
| M⋆ (prior) | 0.57  M⊙ |
M p | 0.554 Mjup |
| R ⋆ | 0.571  R⊙ |
R p | 0.952  Rjup |
| Vsini⋆ | 3.46  km s-1 |
β | ± 75  deg |
| a | 0.0346  AU |
i p | 89.92  deg |
| e | <0.07 |
|
<24 m s-1 yr-1 |
Notes. Mass and radius estimated using the Torres et al. (2010) calibration. Spectral type estimated from Teff using Table B.1 in Gray (2008). Distance estimated using the IRFM angular diameter and the stellar radius. Units based on the equatorial solar and jovian radii and masses taken from Allen’s Astrophysical Quantities (Cox 2000)
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