This page summarises the information held within TEPCat for the transiting planetary system WASP-174. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.480.5307T | |
| Date of discovery paper | 2018 / 2 / 5 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 13 03 10.57 | h m s |
| Declination | −41 23 05.3 | d m s |
| Right ascension (decimal) | 195.79404 | degrees |
| Declination (decimal) | -41.38481 | degrees |
| V-band apparent magnitude | 11.79 | mag |
| K-band apparent magnitude | 10.58 | mag |
| Transit duration | 0.084 ( 2.02 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2458545.52660 ± 0.00014 | HJD or BJD |
| Orbital period | 4.2337005 ± 0.00000018 | days |
| Reference for orbital ephemeris | 2020A+A...633A..30M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6400 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.09 ± 0.09 | dex |
| Stellar mass | 1.240 ± 0.038 | Msun |
| Stellar radius | 1.347 ± 0.018 | Rsun |
| Stellar logarithmic surface gravity | 4.273 ± 0.010 | c.g.s. |
| Stellar mean density | 0.507 ± 0.016 ( 0.715 ± 0.023 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.05503 ± 0.00056 | AU |
| Planetary mass | 0.330 ± 0.091 ( 104 ± 28 ) | Mjup Mearth |
| Planetary radius | 1.437 ± 0.050 ( 16.11 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | 3.9 +1.4 −1.0 2.6 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.102 ± 0.032 ( 0.135 ± 0.042 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1528 ± 17 | K |
| Reference of detailed study | 2020A+A...633A..30M |
| Reference | λ (degrees) |
|---|---|
| Temple et al. (2018) | 31 ± 1 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)