This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-1994. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024AJ....167..109P | |
| Date of discovery paper | 2023 / 5 / 16 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 09 48 41.91 | h m s |
| Declination | −51 45 23.6 | d m s |
| Right ascension (decimal) | 147.17462 | degrees |
| Declination (decimal) | -51.75656 | degrees |
| V-band apparent magnitude | 10.51 | mag |
| K-band apparent magnitude | 9.78 | mag |
| Transit duration | 0.17 ( 4.1 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2459290.01375 ± 0.00082 | HJD or BJD |
| Orbital period | 4.0337142 ± 0.000051 | days |
| Reference for orbital ephemeris | 2024AJ....167..109P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 7700 +720 −410 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 +0.30 −0.42 | dex |
| Stellar mass | 1.86 +0.18 −0.17 | Msun |
| Stellar radius | 2.30 +0.13 −0.12 | Rsun |
| Stellar logarithmic surface gravity | 3.982 +0.065 −0.067 | c.g.s. |
| Stellar mean density | 0.153 +0.033 −0.027 ( 0.216 +0.047 −0.038 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.341 +0.054 −0.059 | |
| Orbital semimajor axis | 0.0613 ± 0.0019 | AU |
| Planetary mass | 22.1 +2.6 −2.5 ( 70254 +8265 −7947 ) | Mjup Mearth |
| Planetary radius | 1.220 +0.082 −0.071 ( 13.67 + 0.92 − 0.80 ) | Rjup Rearth |
| Planetary surface gravity | 366 +72 −61 4.56 +0.08 −0.08 | m/s2 log(cgs) |
| Planetary mean density | 11.3 +2.9 −2.4 ( 15.0 + 3.8 − 3.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2290 +170 −110 | K |
| Reference of detailed study | 2024AJ....167..109P |
TOI-1994 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)