This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-6508. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025A+A...696A..44B | |
| Date of discovery paper | 2025 / 2 / 28 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 03 03.42 | h m s |
| Declination | −33 39 55.8 | d m s |
| Right ascension (decimal) | 180.76425 | degrees |
| Declination (decimal) | -33.66550 | degrees |
| V-band apparent magnitude | 17.18 | mag |
| K-band apparent magnitude | 11.49 | mag |
| Transit duration | 0.0758 ( 1.819 ) | day hour |
| Transit depth | 25 | % |
| Time of mid-transit | 2460399.846278 ± 0.000069 | HJD or BJD |
| Orbital period | 18.992659 ± 0.000069 | days |
| Reference for orbital ephemeris | 2025A+A...696A..44B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 2930 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.22 ± 0.08 | dex |
| Stellar mass | 0.174 ± 0.004 | Msun |
| Stellar radius | 0.205 ± 0.006 | Rsun |
| Stellar logarithmic surface gravity | 5.05 ± 0.02 | c.g.s. |
| Stellar mean density | 20.2 ± 1.8 ( 28.5 ± 2.5 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.28 +0.09 −0.08 | |
| Orbital semimajor axis | 0.0866 ± 0.0030 | AU |
| Planetary mass | 72.5 +7.6 −5.1 ( 23047 +2416 −1621 ) | Mjup Mearth |
| Planetary radius | 1.026 +0.031 −0.032 ( 11.50 + 0.35 − 0.36 ) | Rjup Rearth |
| Planetary surface gravity | 1840 +240 −140 5.26 +0.05 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 67.1 +10.3 −6.2 ( 89.0 +13.7 − 8.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2025A+A...696A..44B |
TOI-6508 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)