This page summarises the information held within TEPCat for the transiting planetary system HD 224018c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2508.13684 | |
| Date of discovery paper | 2025 / 8 / 22 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 23 54 33.48 | h m s |
| Declination | −04 43 23.9 | d m s |
| Right ascension (decimal) | 358.63950 | degrees |
| Declination (decimal) | -4.72331 | degrees |
| V-band apparent magnitude | 9.72 | mag |
| K-band apparent magnitude | 8.15 | mag |
| Transit duration | 0.29 ( 7.0 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2457778.1544 ± 0.0082 | HJD or BJD |
| Orbital period | 36.57669 ± 0.00018 | days |
| Reference for orbital ephemeris | arXiv:2508.13684 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5784 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.05 ± 0.05 | dex |
| Stellar mass | 1.013 +0.069 −0.061 | Msun |
| Stellar radius | 1.147 ± 0.028 | Rsun |
| Stellar logarithmic surface gravity | 4.32 +0.04 −0.03 | c.g.s. |
| Stellar mean density | 0.67 ± 0.07 ( 0.945 ± 0.099 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.02 ± 0.02 | |
| Orbital semimajor axis | 0.217 ± 0.005 | AU |
| Planetary mass | 0.0327 +0.0041 −0.0035 ( 10.4 +1.3 −1.1 ) | Mjup Mearth |
| Planetary radius | 0.2159 +0.0062 −0.0071 ( 2.420 +0.069 −0.080 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 641 ± 12 | K |
| Reference of detailed study | arXiv:2508.13684 |
HD 224018c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)