This page summarises the information held within TEPCat for the transiting planetary system WASP-139. 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 | 03 18 14.91 | h m s |
| Declination | −41 18 07.4 | d m s |
| Right ascension (decimal) | 49.56212 | degrees |
| Declination (decimal) | -41.30206 | degrees |
| V-band apparent magnitude | 12.39 | mag |
| K-band apparent magnitude | 10.47 | mag |
| Transit duration | 0.118 ( 2.83 ) | day hour |
| Transit depth | 1.3 | % |
| Time of mid-transit | 2457196.7933 ± 0.0003 | HJD or BJD |
| Orbital period | 5.924262 ± 0.000004 | days |
| Reference for orbital ephemeris | 2017MNRAS.465.3693H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5300 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.20 ± 0.09 | dex |
| Stellar mass | 0.92 ± 0.10 | Msun |
| Stellar radius | 0.80 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.59 ± 0.06 | c.g.s. |
| Stellar mean density | 1.8 ± 0.2 ( 2.54 ± 0.28 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.28 −0.0 | |
| Orbital semimajor axis | 0.062 ± 0.002 | AU |
| Planetary mass | 0.117 ± 0.017 ( 37.2 ± 5.4 ) | Mjup Mearth |
| Planetary radius | 0.80 ± 0.05 ( 8.97 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | 4.17 +0.62 −0.54 2.62 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.23 ± 0.04 ( 0.305 ± 0.053 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 910 ± 30 | K |
| Reference of detailed study | 2017MNRAS.465.3693H |
WASP-139 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)