This page summarises the information held within TEPCat for the transiting planetary system TOI-5489b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2512.11971 | |
| Date of discovery paper | 2025 / 12 / 26 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 08 34 45.91 | h m s |
| Declination | +11 29 22.5 | d m s |
| Right ascension (decimal) | 128.69129 | degrees |
| Declination (decimal) | 11.48958 | degrees |
| V-band apparent magnitude | 13.82 | mag |
| K-band apparent magnitude | 9.46 | mag |
| Transit duration | 0.06 ( 1.4 ) | day hour |
| Transit depth | 0.09 | % |
| Time of mid-transit | 2458493.70710 ± 0.0012 | HJD or BJD |
| Orbital period | 3.15222 ± 0.00001 | days |
| Reference for orbital ephemeris | arXiv:2512.11971 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3547 ± 157 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.41 ± 0.02 | Msun |
| Stellar radius | 0.42 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.125 ± 0.004 ( 1.401 ± 0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 624 | K |
| Reference of detailed study | arXiv:2512.11971 |
TOI-5489b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)