This page summarises the information held within TEPCat for the transiting planetary system HD 212729b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023MNRAS.524.5804A | |
| Date of discovery paper | 2023 / 7 / 24 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 22 30 02.73 | h m s |
| Declination | −75 38 47.6 | d m s |
| Right ascension (decimal) | 337.51137 | degrees |
| Declination (decimal) | -75.64656 | degrees |
| V-band apparent magnitude | 9.51 | mag |
| K-band apparent magnitude | 8.25 | mag |
| Transit duration | 0.15 ( 3.6 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2458332.9442 ± 0.0056 | HJD or BJD |
| Orbital period | 9.13970 ± 0.00020 | days |
| Reference for orbital ephemeris | 2023MNRAS.524.5804A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6146 ± 62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.03 | dex |
| Stellar mass | 1.204 ± 0.025 | Msun |
| Stellar radius | 1.264 ± 0.033 | Rsun |
| Stellar logarithmic surface gravity | 4.30 ± 0.02 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.180 +0.090 −0.071 | |
| Orbital semimajor axis | 0.09103 +0.00062 −0.00063 | AU |
| Planetary mass | 0.0532 ± 0.0053 ( 16.9 ± 1.7 ) | Mjup Mearth |
| Planetary radius | 0.256 +0.026 −0.021 ( 2.87 +0.29 −0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 3.0 +1.3 −1.0 ( 4.0 +1.7 −1.3 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1135 | K |
| Reference of detailed study | 2023MNRAS.524.5804A |
HD 212729b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)