This page summarises the information held within TEPCat for the transiting planetary system TOI-5789. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2510.11490 | |
| Date of discovery paper | 2025 / 10 / 14 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 11 06.07 | h m s |
| Declination | +16 11 16.8 | d m s |
| Right ascension (decimal) | 302.77529 | degrees |
| Declination (decimal) | 16.18800 | degrees |
| V-band apparent magnitude | 7.42 | mag |
| K-band apparent magnitude | 5.35 | mag |
| Transit duration | 0.0841 ( 2.018 ) | day hour |
| Transit depth | 0.08 | % |
| Time of mid-transit | 2460151.15868 ± 0.00049 | HJD or BJD |
| Orbital period | 12.927748 ± 0.000016 | days |
| Reference for orbital ephemeris | arXiv:2510.11490 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5185 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 ± 0.08 | dex |
| Stellar mass | 0.821 +0.032 −0.027 | Msun |
| Stellar radius | 0.833 ± 0.023 | Rsun |
| Stellar logarithmic surface gravity | 4.511 +0.026 −0.024 | c.g.s. |
| Stellar mean density | 1.42 +0.12 −0.11 ( 2.00 +0.17 −0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.067 −0.0 | |
| Orbital semimajor axis | 0.1009 ± 0.0013 | AU |
| Planetary mass | 0.0157 ± 0.0016 ( 4.99 ± 0.51 ) | Mjup Mearth |
| Planetary radius | 0.255 +0.016 −0.013 ( 2.86 +0.18 −0.15 ) | Rjup Rearth |
| Planetary surface gravity | 5.9 +0.9 −0.8 2.77 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 0.87 ± 0.17 ( 1.15 ± 0.23 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 718 ± 15 | K |
| Reference of detailed study | arXiv:2510.11490 |
TOI-5789 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)