This page summarises the information held within TEPCat for the transiting planetary system WASP-194. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025AJ....169..334S | |
| Date of discovery paper | 2025 / 4 / 18 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 19 41 33.05 | h m s |
| Declination | +56 13 04.1 | d m s |
| Right ascension (decimal) | 295.38771 | degrees |
| Declination (decimal) | 56.21781 | degrees |
| V-band apparent magnitude | 11.99 | mag |
| K-band apparent magnitude | 10.87 | mag |
| Transit duration | 0.10 ( 2.4 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2457449.0511 ± 0.0003 | HJD or BJD |
| Orbital period | 3.183387 ± 0.000005 | days |
| Reference for orbital ephemeris | 2025AJ....169..334S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6405 ± 200 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.0 ± 0.25 | dex |
| Stellar mass | 1.29 ± 0.08 | Msun |
| Stellar radius | 1.409 ± 0.090 | Rsun |
| Stellar logarithmic surface gravity | 4.27 ± 0.5 | c.g.s. |
| Stellar mean density | 0.683 +0.027 −0.016 ( 0.964 +0.038 −0.023 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.047 ± 0.003 | AU |
| Planetary mass | 1.174 ± 0.27 ( 373 ± 85 ) | Mjup Mearth |
| Planetary radius | 1.381 ± 0.088 ( 15.48 ± 0.99 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.41 ± 0.14 ( 0.54 ± 0.19 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1693 ± 122 | K |
| Reference of detailed study | 2025AJ....169..334S |
WASP-194 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)