This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-5422. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2026AJ....171...62Z | |
| Date of discovery paper | 2025 / 3 / 10 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 47 22.46 | h m s |
| Declination | +25 37 33.7 | d m s |
| Right ascension (decimal) | 86.84358 | degrees |
| Declination (decimal) | 25.62603 | degrees |
| V-band apparent magnitude | 11.50 | mag |
| K-band apparent magnitude | 10.16 | mag |
| Transit duration | 0.1945 ( 4.668 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2459961.67611 ± 0.00072 | HJD or BJD |
| Orbital period | 5.377219 ± 0.000010 | days |
| Reference for orbital ephemeris | 2026AJ....171...62Z |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5820 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.012 ± 0.040 | dex |
| Stellar mass | 1.066 +0.094 −0.069 | Msun |
| Stellar radius | 1.474 +0.048 −0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.135 +0.027 −0.040 | c.g.s. |
| Stellar mean density | 0.340 +0.024 −0.038 ( 0.480 +0.034 −0.054 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0940 +0.0047 −0.0045 | |
| Orbital semimajor axis | 0.0619 +0.0018 −0.0013 | AU |
| Planetary mass | 28.0 +1.6 −1.2 ( 89009 +5086 −3815 ) | Mjup Mearth |
| Planetary radius | 0.812 +0.031 −0.025 ( 9.10 +0.35 −0.28 ) | Rjup Rearth |
| Planetary surface gravity | 1067 +58 −94 5.03 +0.02 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 49.6 +4.0 −5.9 ( 65.8 + 5.3 − 7.8 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1367 +21 −25 | K |
| Reference of detailed study | 2026AJ....171...62Z |
TOI-5422 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/03/12 John Southworth (Keele University, UK)