This page summarises the information held within TEPCat for the transiting planetary system TOI-426. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2609.05413 | |
| Date of discovery paper | 2026 / 9 / 7 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 16 24.53 | h m s |
| Declination | −15 30 36.9 | d m s |
| Right ascension (decimal) | 79.10221 | degrees |
| Declination (decimal) | -15.51025 | degrees |
| V-band apparent magnitude | 10.12 | mag |
| K-band apparent magnitude | 8.58 | mag |
| Transit duration | 0.0804 ( 1.930 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2458438.52836 ± 0.00081 | HJD or BJD |
| Orbital period | 1.32050258 ± 0.00000080 | days |
| Reference for orbital ephemeris | arXiv:2609.05413 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5750 ± 62 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.16 ± 0.04 | dex |
| Stellar mass | 1.00 ± 0.02 | Msun |
| Stellar radius | 0.99 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.47 ± 0.03 | c.g.s. |
| Stellar mean density | 1.06 ± 0.07 ( 1.496 ± 0.099 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02374 ± 0.00088 | AU |
| Planetary mass | 0.0211 ± 0.0057 ( 6.7 ± 1.8 ) | Mjup Mearth |
| Planetary radius | 0.195 ± 0.008 ( 2.186 ± 0.090 ) | Rjup Rearth |
| Planetary surface gravity | 13.7 +4.0 −3.8 3.1 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 2.65 +0.83 −0.75 ( 3.52 +1.10 −0.99 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1790 +28 −27 | K |
| Reference of detailed study | arXiv:2609.05413 |
TOI-426 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/09/09 John Southworth (Keele University, UK)