This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-2490. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024MNRAS.533.2823H | |
| Date of discovery paper | 2024 / 8 / 12 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 04 52 29.86 | h m s |
| Declination | −36 15 25.7 | d m s |
| Right ascension (decimal) | 73.12442 | degrees |
| Declination (decimal) | -36.25714 | degrees |
| V-band apparent magnitude | 12.18 | mag |
| K-band apparent magnitude | 10.20 | mag |
| Transit duration | 0.330 ( 7.92 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2459180.69430 ± 0.00079 | HJD or BJD |
| Orbital period | 60.33266 ± 0.00008 | days |
| Reference for orbital ephemeris | 2024MNRAS.533.2823H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5558 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.32 ± 0.05 | dex |
| Stellar mass | 1.004 +0.032 −0.022 | Msun |
| Stellar radius | 1.105 ± 0.012 | Rsun |
| Stellar logarithmic surface gravity | 4.353 +0.020 −0.017 | c.g.s. |
| Stellar mean density | 0.743 +0.042 −0.036 ( 1.048 +0.059 −0.051 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.7799 ± 0.0005 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 73.6 ± 2.4 ( 233967 ± 7629 ) | Mjup Mearth |
| Planetary radius | 0.999 ± 0.017 ( 11.20 ± 0.19 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 464 ± 7 | K |
| Reference of detailed study | 2024MNRAS.533.2823H |
TOI-2490 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)