This page summarises the information held within TEPCat for the transiting planetary system WASP-143. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1812.09264 | |
| Date of discovery paper | 2018 / 12 / 24 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 09 23 22.96 | h m s |
| Declination | +02 55 57.1 | d m s |
| Right ascension (decimal) | 140.84567 | degrees |
| Declination (decimal) | 2.93253 | degrees |
| V-band apparent magnitude | 12.58 | mag |
| K-band apparent magnitude | 11.32 | mag |
| Transit duration | 0.1286 ( 3.086 ) | day hour |
| Transit depth | 1.9 | % |
| Time of mid-transit | 2457099.94471 ± 0.00015 | HJD or BJD |
| Orbital period | 3.7788730 ± 0.0000032 | days |
| Reference for orbital ephemeris | arXiv:1812.09264 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5900 ± 140 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.23 ± 0.10 | dex |
| Stellar mass | 1.087 ± 0.045 | Msun |
| Stellar radius | 1.013 ± 0.032 | Rsun |
| Stellar logarithmic surface gravity | 4.465 ± 0.018 | c.g.s. |
| Stellar mean density | 1.054 ± 0.050 ( 1.487 ± 0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.07 −0.0 | |
| Orbital semimajor axis | 0.0490 ± 0.0014 | AU |
| Planetary mass | 0.725 ± 0.084 ( 230 ± 26 ) | Mjup Mearth |
| Planetary radius | 1.234 ± 0.042 ( 13.83 ± 0.47 ) | Rjup Rearth |
| Planetary surface gravity | 10.8 +1.2 −1.1 3.03 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.382 ± 0.045 ( 0.507 ± 0.060 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1325 ± 30 | K |
| Reference of detailed study | arXiv:1812.09264 |
WASP-143 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)