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 | arXiv:2503.05115 | |
| 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 | 0.1674 ( 4.018 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2459527.14432 ± 0.00092 | HJD or BJD |
| Orbital period | 10.413815 ± 0.000014 | days |
| Reference for orbital ephemeris | arXiv:2503.05115 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6011 ± 33 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.050 +0.051 −0.048 | dex |
| Stellar mass | 1.063 +0.070 −0.068 | Msun |
| Stellar radius | 1.220 +0.046 −0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.291 +0.039 −0.040 | c.g.s. |
| Stellar mean density | 0.583 +0.071 −0.066 ( 0.823 +0.100 −0.093 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.014 +0.023 −0.010 | |
| Orbital semimajor axis | 0.0962 +0.0020 −0.0021 | AU |
| Planetary mass | 32.0 +1.9 −1.8 ( 101725 +6040 −5722 ) | Mjup Mearth |
| Planetary radius | 1.018 +0.048 −0.043 ( 11.41 + 0.54 − 0.48 ) | Rjup Rearth |
| Planetary surface gravity | 764 +85 −78 4.88 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 28.3 +4.4 −4.0 ( 37.5 + 5.8 − 5.3 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1032 +21 −19 | K |
| Reference of detailed study | arXiv:2503.05115 |
TOI-4776 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)