This page summarises the information held within TEPCat for the transiting planetary system TOI-2431. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2507.08464 | |
| Date of discovery paper | 2025 / 7 / 14 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 31 03.27 | h m s |
| Declination | +08 22 55.0 | d m s |
| Right ascension (decimal) | 37.76362 | degrees |
| Declination (decimal) | 8.38194 | degrees |
| V-band apparent magnitude | 10.89 | mag |
| K-band apparent magnitude | 7.55 | mag |
| Transit duration | 0.03 ( 0.7 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2460258.86855 ± 0.00015 | HJD or BJD |
| Orbital period | 0.22419577 ± 0.00000005 | days |
| Reference for orbital ephemeris | arXiv:2507.08464 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4109 +28 −27 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.13 | dex |
| Stellar mass | 0.661 +0.021 −0.024 | Msun |
| Stellar radius | 0.651 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.68 ± 0.05 | c.g.s. |
| Stellar mean density | 2.29 ± 0.13 ( 3.23 ± 0.18 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0063 ± 0.0001 | AU |
| Planetary mass | 0.0195 ± 0.0038 ( 6.2 ± 1.2 ) | Mjup Mearth |
| Planetary radius | 0.1370 ± 0.0029 ( 1.536 ± 0.033 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 7.1 ± 1.4 ( 9.4 ± 1.9 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2063 ± 30 | K |
| Reference of detailed study | arXiv:2507.08464 |
TOI-2431 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)