This page summarises the information held within TEPCat for the transiting planetary system WASP-117. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014A+A...568A..81L | |
| Date of discovery paper | 2014 / 6 / 27 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 27 06.09 | h m s |
| Declination | −50 17 04.3 | d m s |
| Right ascension (decimal) | 36.77538 | degrees |
| Declination (decimal) | -50.28453 | degrees |
| V-band apparent magnitude | 10.15 | mag |
| K-band apparent magnitude | 8.78 | mag |
| Transit duration | 0.2475 ( 5.940 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2457355.51373 ± 0.00055 | HJD or BJD |
| Orbital period | 10.020607 ± 0.000011 | days |
| Reference for orbital ephemeris | 2019A+A...622A..81M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6040 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.11 ± 0.14 | dex |
| Stellar mass | 1.126 ± 0.029 | Msun |
| Stellar radius | 1.170 +0.067 −0.059 | Rsun |
| Stellar logarithmic surface gravity | 4.28 ± 0.16 | c.g.s. |
| Stellar mean density | 0.70 ± 0.10 ( 0.99 ± 0.14 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.302 ± 0.023 | |
| Orbital semimajor axis | 0.09459 +0.00084 −0.00079 | AU |
| Planetary mass | 0.2755 ± 0.0090 ( 87.6 ± 2.9 ) | Mjup Mearth |
| Planetary radius | 1.021 +0.076 −0.065 ( 11.44 + 0.85 − 0.73 ) | Rjup Rearth |
| Planetary surface gravity | 6.56 +0.87 −0.82 2.82 +0.05 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.259 +0.054 −0.048 ( 0.344 +0.072 −0.064 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1024 +30 −26 | K |
| Reference of detailed study | 2014A+A...568A..81L |
| Reference | λ (degrees) |
|---|---|
| Lendl et al. (2014) | 44 ± 11 |
| Carone et al. (2020) | −46.9 + 5.5 - 4.8 |
Page generated on 2023/09/01 John Southworth (Keele University, UK)