This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-3755. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2501.09795 | |
| Date of discovery paper | 2025 / 1 / 20 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 04 38 59.37 | h m s |
| Declination | +66 40 16.2 | d m s |
| Right ascension (decimal) | 69.74738 | degrees |
| Declination (decimal) | 66.67117 | degrees |
| V-band apparent magnitude | 12.79 | mag |
| K-band apparent magnitude | 10.88 | mag |
| Transit duration | 0.1267 ( 3.041 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2459775.65123 ± 0.00056 | HJD or BJD |
| Orbital period | 5.543744 ± 0.000062 | days |
| Reference for orbital ephemeris | arXiv:2501.09795 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5630 ± 170 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.334 +0.092 −0.098 | dex |
| Stellar mass | 1.037 +0.066 −0.071 | Msun |
| Stellar radius | 1.044 +0.042 −0.038 | Rsun |
| Stellar logarithmic surface gravity | 4.417 +0.043 −0.049 | c.g.s. |
| Stellar mean density | 0.91 +0.13 −0.12 ( 1.28 +0.18 −0.17 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0049 +0.0031 −0.0026 | |
| Orbital semimajor axis | 0.0629 +0.0013 −0.0015 | AU |
| Planetary mass | 47.1 +2.0 −2.1 ( 149726 +6358 −6676 ) | Mjup Mearth |
| Planetary radius | 0.885 +0.051 −0.046 ( 9.92 +0.57 −0.52 ) | Rjup Rearth |
| Planetary surface gravity | 1490 +190 −180 5.17 +0.05 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 63 +12 −11 ( 83 +15 −14 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1106 ± 28 | K |
| Reference of detailed study | arXiv:2501.09795 |
TOI-3755 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)