This page summarises the information held within TEPCat for the transiting planetary system TOI-7189. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2604.27064 | |
| Date of discovery paper | 2026 / 5 / 1 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 18 12 09.1 | h m s |
| Declination | +02 11 17.7 | d m s |
| Right ascension (decimal) | 273.03792 | degrees |
| Declination (decimal) | 2.18825 | degrees |
| V-band apparent magnitude | 15.77 | mag |
| K-band apparent magnitude | 11.43 | mag |
| Transit duration | 0.08470 ( 2.0328 ) | day hour |
| Transit depth | 3.0 | % |
| Time of mid-transit | 2460503.94932 ± 0.00053 | HJD or BJD |
| Orbital period | 2.89055 ± 0.000006 | days |
| Reference for orbital ephemeris | arXiv:2604.27064 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3775 ± 59 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.47 ± 0.16 | dex |
| Stellar mass | 0.612 +0.024 −0.023 | Msun |
| Stellar radius | 0.591 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.67 ± 0.04 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.060 +0.062 −0.043 | |
| Orbital semimajor axis | 0.03294 +0.00037 −0.00038 | AU |
| Planetary mass | 0.50 ± 0.09 ( 158 ± 28 ) | Mjup Mearth |
| Planetary radius | 0.98 ± 0.05 ( 10.98 ± 0.56 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.51 +0.13 −0.11 ( 0.68 +0.17 −0.15 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 738 ± 32 | K |
| Reference of detailed study | arXiv:2604.27064 |
TOI-7189 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/06/23 John Southworth (Keele University, UK)