This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-569. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....160...53C | |
| Date of discovery paper | 2020 / 2 / 6 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 07 40 24.67 | h m s |
| Declination | −42 09 16.8 | d m s |
| Right ascension (decimal) | 115.10279 | degrees |
| Declination (decimal) | -42.15467 | degrees |
| V-band apparent magnitude | 10.17 | mag |
| K-band apparent magnitude | 8.44 | mag |
| Transit duration | 0.11 ( 2.6 ) | day hour |
| Transit depth | 0.27 | % |
| Time of mid-transit | 2458529.64796 ± 0.00069 | HJD or BJD |
| Orbital period | 6.55604 ± 0.00016 | days |
| Reference for orbital ephemeris | 2020AJ....160...53C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5705 +76 −68 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.40 +0.07 −0.08 | dex |
| Stellar mass | 1.21 ± 0.03 | Msun |
| Stellar radius | 1.48 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.18 ± 0.02 | c.g.s. |
| Stellar mean density | 0.369 ± 0.021 ( 0.521 ± 0.030 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.07428 ± 0.00059 | AU |
| Planetary mass | 63.8 ± 1.0 ( 202814 ± 3179 ) | Mjup Mearth |
| Planetary radius | 0.75 ± 0.02 ( 8.41 ± 0.22 ) | Rjup Rearth |
| Planetary surface gravity | 2780 ± 190 5.44 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 141 +13 −12 ( 187 + 17 − 15 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1227 +13 −12 | K |
| Reference of detailed study | 2020AJ....160...53C |
TOI-569 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)