This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-852. 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 | 01 38 57.66 | h m s |
| Declination | −07 16 51.5 | d m s |
| Right ascension (decimal) | 24.74025 | degrees |
| Declination (decimal) | -7.28097 | degrees |
| V-band apparent magnitude | 11.76 | mag |
| K-band apparent magnitude | 9.88 | mag |
| Transit duration | 0.16 ( 3.8 ) | day hour |
| Transit depth | 0.2 | % |
| Time of mid-transit | 2458387.1888 ± 0.0020 | HJD or BJD |
| Orbital period | 4.945613 ± 0.000080 | days |
| Reference for orbital ephemeris | 2021AJ....161...97C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5768 +84 −81 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.334 +0.085 −0.088 | dex |
| Stellar mass | 1.32 +0.05 −0.04 | Msun |
| Stellar radius | 1.71 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.09 ± 0.04 | c.g.s. |
| Stellar mean density | 0.26 +0.02 −0.01 ( 0.367 +0.028 −0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0036 +0.0043 −0.0025 | |
| Orbital semimajor axis | 0.06300 +0.00077 −0.00073 | AU |
| Planetary mass | 53.7 +1.4 −1.3 ( 170707 +4450 −4133 ) | Mjup Mearth |
| Planetary radius | 0.829 +0.037 −0.035 ( 9.29 +0.41 −0.39 ) | Rjup Rearth |
| Planetary surface gravity | 1941 +173 −159 5.29 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1449 +23 −22 | K |
| Reference of detailed study | 2021AJ....161...97C |
TOI-852 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)