This page summarises the information held within TEPCat for the transiting planetary system WASP-178. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019MNRAS.490.1479H | |
| Date of discovery paper | 2019 / 7 / 29 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 15 09 04.89 | h m s |
| Declination | −42 42 17.8 | d m s |
| Right ascension (decimal) | 227.27038 | degrees |
| Declination (decimal) | -42.70494 | degrees |
| V-band apparent magnitude | 9.95 | mag |
| K-band apparent magnitude | 9.70 | mag |
| Transit duration | 0.1446 ( 3.470 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2456927.06839 ± 0.00047 | HJD or BJD |
| Orbital period | 3.3448285 ± 0.0000012 | days |
| Reference for orbital ephemeris | 2019MNRAS.490.1479H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 9360 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.21 ± 0.16 | dex |
| Stellar mass | 2.07 ± 0.11 | Msun |
| Stellar radius | 1.67 ± 0.07 | Rsun |
| Stellar logarithmic surface gravity | 4.31 ± 0.04 | c.g.s. |
| Stellar mean density | 0.44 ± 0.05 ( 0.621 ± 0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.08 −0.0 | |
| Orbital semimajor axis | 0.0558 ± 0.0010 | AU |
| Planetary mass | 1.66 ± 0.12 ( 527 ± 38 ) | Mjup Mearth |
| Planetary radius | 1.81 ± 0.09 ( 20.3 ± 1.0 ) | Rjup Rearth |
| Planetary surface gravity | 11.7 +1.4 −1.3 3.07 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.28 ± 0.05 ( 0.371 ± 0.066 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2470 ± 60 | K |
| Reference of detailed study | 2019MNRAS.490.1479H |
WASP-178 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/17 John Southworth (Keele University, UK)