This page summarises the information held within TEPCat for the transiting planetary system WASP-107. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017A+A...604A.110A | |
| Date of discovery paper | 2017 / 1 / 16 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 12 33 32.84 | h m s |
| Declination | −10 08 46.1 | d m s |
| Right ascension (decimal) | 188.38683 | degrees |
| Declination (decimal) | -10.14614 | degrees |
| V-band apparent magnitude | 11.59 | mag |
| K-band apparent magnitude | 8.64 | mag |
| Transit duration | 0.11411 ( 2.7386 ) | day hour |
| Transit depth | 2.2 | % |
| Time of mid-transit | 2457584.329746 ± 0.000011 | HJD or BJD |
| Orbital period | 5.72149242 ± 0.00000046 | days |
| Reference for orbital ephemeris | 2017MNRAS.469.1622M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4425 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.02 ± 0.09 | dex |
| Stellar mass | 0.683 +0.017 −0.016 | Msun |
| Stellar radius | 0.67 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.633 ± 0.012 | c.g.s. |
| Stellar mean density | 2.441 ± 0.023 ( 3.444 ± 0.032 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.09 ± 0.02 | |
| Orbital semimajor axis | 0.0553 ± 0.0013 | AU |
| Planetary mass | 0.096 ± 0.005 ( 30.5 ± 1.6 ) | Mjup Mearth |
| Planetary radius | 0.924 ± 0.022 ( 10.36 ± 0.25 ) | Rjup Rearth |
| Planetary surface gravity | 3.09 +0.38 −0.34 2.49 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.101 +0.011 −0.010 ( 0.134 +0.015 −0.013 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 736 ± 17 | K |
| Reference of detailed study | 2026ApJ...996L..28W |
| Reference | λ (degrees) |
|---|---|
| Dai et al. (2017) | −999 ± -999 |
| Rubenzahl et al. (2021) | 118 + 38 - 19 |
| Bourrier et al. (2023) | −158 + 15 - 19 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)