This page summarises the information held within TEPCat for the transiting planetary system WASP-118. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016MNRAS.463.3276H | |
| Date of discovery paper | 2016 / 7 / 5 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 01 18 12.12 | h m s |
| Declination | +02 42 10.2 | d m s |
| Right ascension (decimal) | 19.55050 | degrees |
| Declination (decimal) | 2.70283 | degrees |
| V-band apparent magnitude | 11.02 | mag |
| K-band apparent magnitude | 9.79 | mag |
| Transit duration | 0.20464 ( 4.9114 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2457423.044825 ± 0.000020 | HJD or BJD |
| Orbital period | 4.0460407 ± 0.0000026 | days |
| Reference for orbital ephemeris | 2017MNRAS.469.1622M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6410 ± 125 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.16 ± 0.11 | dex |
| Stellar mass | 1.319 ± 0.035 | Msun |
| Stellar radius | 1.754 ± 0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.100 ± 0.012 | c.g.s. |
| Stellar mean density | 0.2474 ± 0.0029 ( 0.3491 ± 0.0041 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.028 −0.0 | |
| Orbital semimajor axis | 0.05450 ± 0.00049 | AU |
| Planetary mass | 0.52 ± 0.18 ( 165 ± 57 ) | Mjup Mearth |
| Planetary radius | 1.394 ± 0.013 ( 15.63 ± 0.15 ) | Rjup Rearth |
| Planetary surface gravity | 5.71 +0.55 −0.50 2.76 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.193 ± 0.066 ( 0.256 ± 0.088 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1753 ± 34 | K |
| Reference of detailed study | 2017MNRAS.469.1622M |
WASP-118 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)