This page summarises the information held within TEPCat for the transiting planetary system TOI-6478. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025MNRAS.540.1909S | |
| Date of discovery paper | 2025 / 4 / 10 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 09 59 58.03 | h m s |
| Declination | −16 09 35.3 | d m s |
| Right ascension (decimal) | 149.99179 | degrees |
| Declination (decimal) | -16.15981 | degrees |
| V-band apparent magnitude | 15.99 | mag |
| K-band apparent magnitude | 10.66 | mag |
| Transit duration | 0.121 ( 2.90 ) | day hour |
| Transit depth | 4 | % |
| Time of mid-transit | 2459454.90101 ± 0.00068 | HJD or BJD |
| Orbital period | 34.005019 ± 0.000025 | days |
| Reference for orbital ephemeris | 2025MNRAS.540.1909S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3230 ± 75 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.53 ± 0.13 | dex |
| Stellar mass | 0.230 ± 0.007 | Msun |
| Stellar radius | 0.234 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 5.016 ± 0.005 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.1136 ± 0.0060 | AU |
| Planetary mass | 0.0 +0.031 −0.0 ( 0.0 +9.9 −0.0 ) | Mjup Mearth |
| Planetary radius | 0.410 ± 0.021 ( 4.60 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 204 ± 5 | K |
| Reference of detailed study | 2025MNRAS.540.1909S |
TOI-6478 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)