This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-263. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021A+A...650A..55P | |
| Date of discovery paper | 2021 / 3 / 23 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 28 25.99 | h m s |
| Declination | −25 05 50.4 | d m s |
| Right ascension (decimal) | 37.10829 | degrees |
| Declination (decimal) | -25.09733 | degrees |
| V-band apparent magnitude | 18.97 | mag |
| K-band apparent magnitude | 13.25 | mag |
| Transit duration | 0.0380 ( 0.912 ) | day hour |
| Transit depth | 4.0 | % |
| Time of mid-transit | 2458386.16970 ± 0.00060 | HJD or BJD |
| Orbital period | 0.5568083 ± 0.000006 | days |
| Reference for orbital ephemeris | arXiv:2505.21270 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3471 ± 33 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.438 ± 0.036 | Msun |
| Stellar radius | 0.438 ± 0.026 | Rsun |
| Stellar logarithmic surface gravity | 4.67 ± 0.03 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.017 +0.009 −0.010 | |
| Orbital semimajor axis | 0.0098 +0.0007 −0.0008 | AU |
| Planetary mass | 61.6 +4.0 −3.0 ( 195820 +12716 −9537 ) | Mjup Mearth |
| Planetary radius | 0.91 ± 0.07 ( 10.20 ± 0.78 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 82 +29 −21 ( 108 + 38 − 27 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1020 ± 80 | K |
| Reference of detailed study | 2021A+A...650A..55P |
TOI-263 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/11/11 John Southworth (Keele University, UK)