This page summarises the information held within TEPCat for the transiting planetary system WASP-181. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019MNRAS.485.5790T | |
| Date of discovery paper | 2019 / 3 / 18 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 01 47 10.37 | h m s |
| Declination | +03 07 59.0 | d m s |
| Right ascension (decimal) | 26.79321 | degrees |
| Declination (decimal) | 3.13306 | degrees |
| V-band apparent magnitude | 12.91 | mag |
| K-band apparent magnitude | 11.44 | mag |
| Transit duration | 0.1277 ( 3.065 ) | day hour |
| Transit depth | 1.6 | % |
| Time of mid-transit | 2457747.66681 ± 0.00035 | HJD or BJD |
| Orbital period | 4.5195064 ± 0.0000034 | days |
| Reference for orbital ephemeris | 2019MNRAS.485.5790T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5839 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.09 ± 0.04 | dex |
| Stellar mass | 1.04 ± 0.04 | Msun |
| Stellar radius | 0.965 ± 0.043 | Rsun |
| Stellar logarithmic surface gravity | 4.487 ± 0.039 | c.g.s. |
| Stellar mean density | 1.16 ± 0.15 ( 1.64 ± 0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.05427 ± 0.00069 | AU |
| Planetary mass | 0.299 ± 0.034 ( 95 ± 10 ) | Mjup Mearth |
| Planetary radius | 1.184 +0.071 −0.059 ( 13.27 + 0.80 − 0.66 ) | Rjup Rearth |
| Planetary surface gravity | 4.85 +0.78 −0.67 2.69 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.179 ± 0.033 ( 0.237 ± 0.044 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1186 +32 −26 | K |
| Reference of detailed study | 2019MNRAS.485.5790T |
WASP-181 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)