This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-811. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021AJ....161...97C | |
| Date of discovery paper | 2020 / 9 / 29 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 52 07.28 | h m s |
| Declination | −32 55 30.3 | d m s |
| Right ascension (decimal) | 88.03033 | degrees |
| Declination (decimal) | -32.92508 | degrees |
| V-band apparent magnitude | 11.41 | mag |
| K-band apparent magnitude | 10.08 | mag |
| Transit duration | 0.18 ( 4.3 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2458438.24914 ± 0.00048 | HJD or BJD |
| Orbital period | 25.16551 ± 0.00034 | days |
| Reference for orbital ephemeris | 2021AJ....161...97C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6107 ± 77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.402 +0.065 −0.090 | dex |
| Stellar mass | 1.323 +0.053 −0.069 | Msun |
| Stellar radius | 1.270 +0.064 −0.092 | Rsun |
| Stellar logarithmic surface gravity | 4.352 +0.045 −0.029 | c.g.s. |
| Stellar mean density | 0.646 +0.128 −0.070 ( 0.912 +0.181 −0.099 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.407 +0.017 −0.046 | |
| Orbital semimajor axis | 0.1874 +0.0026 −0.0035 | AU |
| Planetary mass | 59.9 +13.0 −8.6 ( 19042 +4133 −2734 ) | Mjup Mearth |
| Planetary radius | 1.262 ± 0.062 ( 14.15 ± 0.69 ) | Rjup Rearth |
| Planetary surface gravity | 946 +155 −135 4.98 +0.07 −0.07 | m/s2 log(cgs) |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 762 +15 −16 | K |
| Reference of detailed study | 2021AJ....161...97C |
TOI-811 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)