This page summarises the information held within TEPCat for the transiting planetary system WASP-188. 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 | 18 35 07.67 | h m s |
| Declination | +36 36 56.3 | d m s |
| Right ascension (decimal) | 278.78196 | degrees |
| Declination (decimal) | 36.61564 | degrees |
| V-band apparent magnitude | 12.20 | mag |
| K-band apparent magnitude | 11.04 | mag |
| Transit duration | 0.19 ( 4.6 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2457033.121 ± 0.001 | HJD or BJD |
| Orbital period | 5.748916 ± 0.000003 | days |
| Reference for orbital ephemeris | 2025AJ....169..334S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6850 ± 125 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.0 ± 0.3 | dex |
| Stellar mass | 1.50 ± 0.09 | Msun |
| Stellar radius | 1.830 ± 0.069 | Rsun |
| Stellar logarithmic surface gravity | 4.10 ± 0.2 | c.g.s. |
| Stellar mean density | 0.345 ± 0.002 ( 0.4868 ± 0.0028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.072 ± 0.003 | AU |
| Planetary mass | 1.44 +0.30 −0.03 ( 457.76 +95.37 −9.54 ) | Mjup Mearth |
| Planetary radius | 1.322 ± 0.051 ( 14.82 ± 0.57 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.59 ± 0.15 ( 0.78 ± 0.20 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1666 ± 70 | K |
| Reference of detailed study | 2025AJ....169..334S |
WASP-188 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)