This page summarises the information held within TEPCat for the transiting planetary system WASP-142. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017MNRAS.465.3693H | |
| Date of discovery paper | 2016 / 4 / 15 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 09 22 01.43 | h m s |
| Declination | −23 56 45.8 | d m s |
| Right ascension (decimal) | 140.50596 | degrees |
| Declination (decimal) | -23.94606 | degrees |
| V-band apparent magnitude | 12.30 | mag |
| K-band apparent magnitude | 11.44 | mag |
| Transit duration | 0.1117 ( 2.681 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2457007.7779 ± 0.0004 | HJD or BJD |
| Orbital period | 2.052868 ± 0.000002 | days |
| Reference for orbital ephemeris | 2017MNRAS.465.3693H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6060 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.26 ± 0.12 | dex |
| Stellar mass | 1.33 ± 0.08 | Msun |
| Stellar radius | 1.64 ± 0.08 | Rsun |
| Stellar logarithmic surface gravity | 4.13 ± 0.04 | c.g.s. |
| Stellar mean density | 0.30 ± 0.04 ( 0.423 ± 0.056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.27 −0.0 | |
| Orbital semimajor axis | 0.0347 ± 0.0007 | AU |
| Planetary mass | 0.84 ± 0.09 ( 267 ± 28 ) | Mjup Mearth |
| Planetary radius | 1.53 ± 0.08 ( 17.15 ± 0.90 ) | Rjup Rearth |
| Planetary surface gravity | 8.1 +1.2 −1.0 2.91 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.23 ± 0.05 ( 0.305 ± 0.066 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2000 ± 60 | K |
| Reference of detailed study | 2017MNRAS.465.3693H |
WASP-142 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)