This page summarises the information held within TEPCat for the transiting planetary system WASP-116. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1412.7761 | |
| Date of discovery paper | 2019 / 2 / 11 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 20 51.75 | h m s |
| Declination | −01 49 33.7 | d m s |
| Right ascension (decimal) | 35.21563 | degrees |
| Declination (decimal) | -1.82603 | degrees |
| V-band apparent magnitude | 12.39 | mag |
| K-band apparent magnitude | 11.02 | mag |
| Transit duration | 0.243 ( 5.83 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2457092.22528 ± 0.00051 | HJD or BJD |
| Orbital period | 6.61320 ± 0.000002 | days |
| Reference for orbital ephemeris | 2025AJ....169..334S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5950 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.28 ± 0.10 | dex |
| Stellar mass | 1.18 ± 0.05 | Msun |
| Stellar radius | 1.68 ± 0.07 | Rsun |
| Stellar logarithmic surface gravity | 4.074 ± 0.003 | c.g.s. |
| Stellar mean density | 0.25 ± 0.02 ( 0.353 ± 0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0730 ± 0.0011 | AU |
| Planetary mass | 0.59 ± 0.05 ( 187 ± 15 ) | Mjup Mearth |
| Planetary radius | 1.43 ± 0.07 ( 16.03 ± 0.78 ) | Rjup Rearth |
| Planetary surface gravity | 18.5 +2.3 −2.0 3.27 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.32 ± 0.09 ( 0.42 ± 0.12 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1414 ± 70 | K |
| Reference of detailed study | 2025AJ....169..334S |
WASP-116 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)