This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-4776. 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 | 08 22 13.04 | h m s |
| Declination | −25 04 02.7 | d m s |
| Right ascension (decimal) | 125.55433 | degrees |
| Declination (decimal) | -25.06742 | degrees |
| V-band apparent magnitude | 12.10 | mag |
| K-band apparent magnitude | 10.68 | mag |
| Transit duration | 0.1662 ( 3.989 ) | day hour |
| Transit depth | 0.73 | % |
| Time of mid-transit | 2460016.5936 ± 0.0011 | HJD or BJD |
| Orbital period | 10.413814 ± 0.000013 | days |
| Reference for orbital ephemeris | 2026AJ....171...62Z |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6070 +140 −130 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.054 +0.054 −0.049 | dex |
| Stellar mass | 1.079 ± 0.076 | Msun |
| Stellar radius | 1.215 +0.049 −0.047 | Rsun |
| Stellar logarithmic surface gravity | 4.301 +0.049 −0.050 | c.g.s. |
| Stellar mean density | 0.60 ± 0.09 ( 0.85 ± 0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.022 +0.028 −0.016 | |
| Orbital semimajor axis | 0.0966 +0.0022 −0.0023 | AU |
| Planetary mass | 32.3 +1.8 −1.7 ( 102678 +5722 −5404 ) | Mjup Mearth |
| Planetary radius | 1.008 +0.054 −0.051 ( 11.30 + 0.61 − 0.57 ) | Rjup Rearth |
| Planetary surface gravity | 787 +106 −94 4.90 +0.05 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 29.5 +5.6 −4.7 ( 39.1 + 7.4 − 6.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1037 +21 −22 | K |
| Reference of detailed study | 2026AJ....171...62Z |
TOI-4776 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/03/12 John Southworth (Keele University, UK)