This page summarises the information held within TEPCat for the transiting planetary system WASP-189. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | arXiv:1809.04897 | |
Date of discovery paper | 2018 / 9 / 14 | y / m / d |
Data/telescope used for discovery | WASP | |
Right ascension | 15 02 44.86 | h m s |
Declination | −03 01 52.9 | d m s |
Right ascension (decimal) | 225.68692 | degrees |
Declination (decimal) | -3.03136 | degrees |
V-band apparent magnitude | 6.64 | mag |
K-band apparent magnitude | 6.06 | mag |
Transit duration | 0.18057 ( 4.3337 ) | day hour |
Transit depth | 0.6 | % |
Time of mid-transit | 2456706.4545 ± 0.0018 | HJD or BJD |
Orbital period | 2.7240330 ± 0.0000042 | days |
Reference for orbital ephemeris | arXiv:1809.04897 |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 8000 ± 80 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | +0.29 ± 0.13 | dex |
Stellar mass | 2.031 +0.098 −0.096 | Msun |
Stellar radius | 2.365 ± 0.025 | Rsun |
Stellar logarithmic surface gravity | 4.046 ± 0.024 | c.g.s. |
Stellar mean density | 0.1617 +0.0088 −0.0089 ( 0.228 +0.012 −0.013 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 | |
Orbital semimajor axis | 0.05040 +0.00064 −0.00060 | AU |
Planetary mass | 1.99 +0.16 −0.14 ( 632 +50 −44 ) | Mjup Mearth |
Planetary radius | 1.600 +0.017 −0.016 ( 17.93 + 0.19 − 0.18 ) | Rjup Rearth |
Planetary surface gravity | 18.8 +2.1 −1.8 3.27 +0.05 −0.04 | m/s2 log(cgs) |
Planetary mean density | 0.469 +0.058 −0.028 ( 0.622 +0.077 −0.037 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 2641 ± 34 | K |
Reference of detailed study | 2022A+A...659A..74D |
Reference | λ (degrees) |
---|---|
Anderson et al. (2018) | 89.3 ± 1.4 |
Lendl et al. (2020) | 86.4 + 2.9 - 4.4 |
Deline et al. (2022) | 91.7 ± 1.2 |
Page generated on 2023/12/01 John Southworth (Keele University, UK)