This page summarises the information held within TEPCat for the transiting planetary system TOI-2458. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...693A.235S | |
| Date of discovery paper | 2024 / 9 / 27 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 18 29.17 | h m s |
| Declination | +01 15 13.9 | d m s |
| Right ascension (decimal) | 79.62154 | degrees |
| Declination (decimal) | 1.25386 | degrees |
| V-band apparent magnitude | 9.27 | mag |
| K-band apparent magnitude | 7.89 | mag |
| Transit duration | 0.0888 ( 2.131 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2459177.4046 ± 0.0027 | HJD or BJD |
| Orbital period | 3.73659 ± 0.00046 | days |
| Reference for orbital ephemeris | 2025A+A...693A.235S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6005 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.10 ± 0.05 | dex |
| Stellar mass | 1.05 ± 0.03 | Msun |
| Stellar radius | 1.31 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.20 ± 0.05 | c.g.s. |
| Stellar mean density | 0.436 +0.027 −0.031 ( 0.615 +0.038 −0.044 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.087 +0.062 −0.056 | |
| Orbital semimajor axis | 0.0482 +0.0025 −0.0027 | AU |
| Planetary mass | 0.0419 +0.0031 −0.0030 ( 13.32 +0.99 −0.95 ) | Mjup Mearth |
| Planetary radius | 0.252 +0.019 −0.016 ( 2.82 +0.21 −0.18 ) | Rjup Rearth |
| Planetary surface gravity | 16.3 +2.6 −2.4 3.21 +0.06 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 2.43 +0.57 −0.48 ( 3.22 +0.76 −0.64 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1509 +41 −35 | K |
| Reference of detailed study | 2025A+A...693A.235S |
TOI-2458 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)