This page summarises the information held within TEPCat for the transiting planetary system WASP-120. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016PASP..128f4401T | |
| Date of discovery paper | 2015 / 9 / 9 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 04 10 27.85 | h m s |
| Declination | −45 53 53.6 | d m s |
| Right ascension (decimal) | 62.61604 | degrees |
| Declination (decimal) | -45.89822 | degrees |
| V-band apparent magnitude | 10.96 | mag |
| K-band apparent magnitude | 9.88 | mag |
| Transit duration | 0.1483 ( 3.559 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2456779.43545 ± 0.00067 | HJD or BJD |
| Orbital period | 3.6112673 ± 0.0000012 | days |
| Reference for orbital ephemeris | 2022AcA....72....1M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6450 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.05 ± 0.07 | dex |
| Stellar mass | 1.393 ± 0.057 | Msun |
| Stellar radius | 1.87 ± 0.11 | Rsun |
| Stellar logarithmic surface gravity | 4.035 ± 0.049 | c.g.s. |
| Stellar mean density | 0.212 +0.041 −0.031 ( 0.299 +0.058 −0.044 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.057 +0.022 −0.018 | |
| Orbital semimajor axis | 0.0514 ± 0.0007 | AU |
| Planetary mass | 4.85 ± 0.21 ( 1541 ± 66 ) | Mjup Mearth |
| Planetary radius | 1.39 ± 0.08 ( 15.58 ± 0.90 ) | Rjup Rearth |
| Planetary surface gravity | 72.4 +5.2 −4.8 3.86 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 1.76 ± 0.32 ( 2.33 ± 0.42 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1749 ± 41 | K |
| Reference of detailed study | 2022AN....34324012A |
| Reference | λ (degrees) |
|---|---|
| Zak et al. (2024) | −2 ± 4 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)