This page summarises the information held within TEPCat for the transiting planetary system TOI-1231. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....162...87B | |
| Date of discovery paper | 2021 / 5 / 19 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 10 26 59.34 | h m s |
| Declination | −52 28 04.2 | d m s |
| Right ascension (decimal) | 156.74725 | degrees |
| Declination (decimal) | -52.46783 | degrees |
| V-band apparent magnitude | 12.32 | mag |
| K-band apparent magnitude | 8.07 | mag |
| Transit duration | 0.1350 ( 3.240 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2458563.88838 ± 0.00058 | HJD or BJD |
| Orbital period | 24.245586 ± 0.000065 | days |
| Reference for orbital ephemeris | 2021AJ....162...87B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3562 ± 101 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.05 ± 0.08 | dex |
| Stellar mass | 0.485 ± 0.024 | Msun |
| Stellar radius | 0.476 +0.015 −0.014 | Rsun |
| Stellar logarithmic surface gravity | 4.767 +0.033 −0.035 | c.g.s. |
| Stellar mean density | 4.47 +0.48 −0.45 ( 6.31 +0.68 −0.63 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.087 +0.12 −0.061 | |
| Orbital semimajor axis | 0.1288 +0.0021 −0.0022 | AU |
| Planetary mass | 0.048 ± 0.010 ( 15.3 ± 3.2 ) | Mjup Mearth |
| Planetary radius | 0.326 +0.014 −0.013 ( 3.65 +0.16 −0.15 ) | Rjup Rearth |
| Planetary surface gravity | 11.3 +2.7 −2.5 3.05 +0.09 −0.11 | m/s2 log(cgs) |
| Planetary mean density | 1.31 +0.35 −0.32 ( 1.74 +0.46 −0.42 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 330 ± 4 | K |
| Reference of detailed study | 2021AJ....162...87B |
TOI-1231 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)