This page summarises the information held within TEPCat for the transiting planetary system TOI-1431. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....162..292A | |
| Date of discovery paper | 2021 / 4 / 27 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 04 48.89 | h m s |
| Declination | +55 35 16.9 | d m s |
| Right ascension (decimal) | 316.20371 | degrees |
| Declination (decimal) | 55.58803 | degrees |
| V-band apparent magnitude | 8.05 | mag |
| K-band apparent magnitude | 7.44 | mag |
| Transit duration | 0.10 ( 2.4 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2458739.17736 ± 0.00007 | HJD or BJD |
| Orbital period | 2.65022 ± 0.00001 | days |
| Reference for orbital ephemeris | 2021AJ....162..292A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 7690 +400 −250 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.43 +0.20 −0.28 | dex |
| Stellar mass | 1.90 +0.10 −0.08 | Msun |
| Stellar radius | 1.92 ± 0.07 | Rsun |
| Stellar logarithmic surface gravity | 4.15 ± 0.04 | c.g.s. |
| Stellar mean density | 0.27 ± 0.04 ( 0.381 ± 0.056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.010 +0.0036 −0.009 | |
| Orbital semimajor axis | 0.046 ± 0.002 | AU |
| Planetary mass | 3.14 +0.19 −0.18 ( 998 +60 −57 ) | Mjup Mearth |
| Planetary radius | 1.49 ± 0.05 ( 16.70 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | 34.50 ± 0.90 3.54 ± 0.01 | m/s2 log(cgs) |
| Planetary mean density | 0.89 +0.15 −0.13 ( 1.18 +0.20 −0.17 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2390 ± 100 | K |
| Reference of detailed study | 2021AJ....162..292A |
| Reference | λ (degrees) |
|---|---|
| Stangret et al. (2021) | −155 + 20 - 10 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)