This page summarises the information held within TEPCat for the transiting planetary system WASP-127. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017A+A...599A...3L | |
| Date of discovery paper | 2016 / 7 / 27 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 10 42 14.08 | h m s |
| Declination | −03 50 06.3 | d m s |
| Right ascension (decimal) | 160.55867 | degrees |
| Declination (decimal) | -3.83508 | degrees |
| V-band apparent magnitude | 10.16 | mag |
| K-band apparent magnitude | 8.64 | mag |
| Transit duration | 0.1814 ( 4.354 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2457248.74141 ± 0.00022 | HJD or BJD |
| Orbital period | 4.1780647 ± 0.0000011 | days |
| Reference for orbital ephemeris | arXiv:2103.12139 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5750 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.18 ± 0.06 | dex |
| Stellar mass | 0.950 ± 0.020 | Msun |
| Stellar radius | 1.333 ± 0.027 | Rsun |
| Stellar logarithmic surface gravity | 4.18 ± 0.01 | c.g.s. |
| Stellar mean density | 0.404 ± 0.015 ( 0.570 ± 0.021 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0520 ± 0.0005 | AU |
| Planetary mass | 0.165 +0.021 −0.017 ( 52.5 +6.7 −5.4 ) | Mjup Mearth |
| Planetary radius | 1.311 +0.025 −0.029 ( 14.69 + 0.28 − 0.33 ) | Rjup Rearth |
| Planetary surface gravity | 2.14 +0.32 −0.28 2.33 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.073 +0.010 −0.009 ( 0.097 +0.013 −0.012 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1400 ± 24 | K |
| Reference of detailed study | 2020A+A...643A..45S |
| Reference | λ (degrees) |
|---|---|
| Allart et al. (2020) | −128.4 + 5.6 - 5.5 |
| Cristo et al. (2022) | −150.6 + 8.1 - 8.7 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)