This page summarises the information held within TEPCat for the transiting planetary system HD 85426. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2026MNRAS.545f1934L | |
| Date of discovery paper | 2025 / 11 / 12 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 09 52 38.47 | h m s |
| Declination | +35 06 42.2 | d m s |
| Right ascension (decimal) | 148.16029 | degrees |
| Declination (decimal) | 35.11172 | degrees |
| V-band apparent magnitude | 8.25 | mag |
| K-band apparent magnitude | 6.68 | mag |
| Transit duration | 0.225 ( 5.40 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2459674.4130 ± 0.0006 | HJD or BJD |
| Orbital period | 16.70988 ± 0.00003 | days |
| Reference for orbital ephemeris | 2026MNRAS.545f1934L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5746 ± 59 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.05 | dex |
| Stellar mass | 0.991 +0.027 −0.020 | Msun |
| Stellar radius | 1.130 ± 0.007 | Rsun |
| Stellar logarithmic surface gravity | 4.33 +0.02 −0.01 | c.g.s. |
| Stellar mean density | 0.686 +0.027 −0.022 ( 0.968 +0.038 −0.031 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.05 +0.07 −0.03 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 0.0267 +0.0041 −0.0044 ( 8.5 +1.3 −1.4 ) | Mjup Mearth |
| Planetary radius | 0.248 ± 0.004 ( 2.780 ± 0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 824 ± 11 | K |
| Reference of detailed study | 2026MNRAS.545f1934L |
HD 85426 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)