This page summarises the information held within TEPCat for the transiting planetary system TOI-251. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....161....2Z | |
| Date of discovery paper | 2020 / 11 / 30 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 23 32 14.90 | h m s |
| Declination | −37 15 21.1 | d m s |
| Right ascension (decimal) | 353.06208 | degrees |
| Declination (decimal) | -37.25586 | degrees |
| V-band apparent magnitude | 9.89 | mag |
| K-band apparent magnitude | 8.43 | mag |
| Transit duration | 0.0930 ( 2.232 ) | day hour |
| Transit depth | 0.10 | % |
| Time of mid-transit | 2458357.3055 ± 0.0014 | HJD or BJD |
| Orbital period | 4.937770 ± 0.000029 | days |
| Reference for orbital ephemeris | 2021AJ....161....2Z |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5875 +100 −190 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.106 +0.079 −0.070 | dex |
| Stellar mass | 1.036 +0.013 −0.009 | Msun |
| Stellar radius | 0.881 +0.038 −0.047 | Rsun |
| Stellar logarithmic surface gravity | 4.560 ± 0.046 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.05741 +0.00023 −0.00017 | AU |
| Planetary mass | 0.0 +1.0 −0.0 ( 0 +317 −0 ) | Mjup Mearth |
| Planetary radius | 0.244 ± 0.016 ( 2.73 ± 0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2021AJ....161....2Z |
TOI-251 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)