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 | arXiv:2503.05115 | |
| 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 | 0.1948 ( 4.675 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2459961.67615 ± 0.00073 | HJD or BJD |
| Orbital period | 5.377219 ± 0.000010 | days |
| Reference for orbital ephemeris | arXiv:2503.05115 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5744 +39 −38 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.007 ± 0.039 | dex |
| Stellar mass | 1.051 +0.082 −0.063 | Msun |
| Stellar radius | 1.480 +0.047 −0.042 | Rsun |
| Stellar logarithmic surface gravity | 4.124 +0.029 −0.037 | c.g.s. |
| Stellar mean density | 0.330 +0.026 −0.035 ( 0.466 +0.037 −0.049 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0942 +0.0048 −0.0045 | |
| Orbital semimajor axis | 0.0616 +0.0015 −0.0012 | AU |
| Planetary mass | 20.9 +1.1 −0.8 ( 66439 +3497 −2543 ) | Mjup Mearth |
| Planetary radius | 0.815 +0.031 −0.026 ( 9.14 +0.35 −0.29 ) | Rjup Rearth |
| Planetary surface gravity | 1045 +67 −88 5.02 +0.03 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 48.4 +4.4 −5.6 ( 64.2 + 5.8 − 7.4 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1355 +24 −18 | K |
| Reference of detailed study | arXiv:2503.05115 |
TOI-5422 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)