This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-3577. 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 | 21 48 23.01 | h m s |
| Declination | +48 20 04.4 | d m s |
| Right ascension (decimal) | 327.09587 | degrees |
| Declination (decimal) | 48.33456 | degrees |
| V-band apparent magnitude | 11.57 | mag |
| K-band apparent magnitude | 10.32 | mag |
| Transit duration | 0.1372 ( 3.293 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2460105.74424 ± 0.00064 | HJD or BJD |
| Orbital period | 5.266759 ± 0.000013 | days |
| Reference for orbital ephemeris | arXiv:2501.09795 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5920 ± 210 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.031 +0.071 −0.069 | dex |
| Stellar mass | 1.111 +0.057 −0.067 | Msun |
| Stellar radius | 1.753 +0.068 −0.067 | Rsun |
| Stellar logarithmic surface gravity | 3.995 +0.038 −0.040 | c.g.s. |
| Stellar mean density | 0.206 +0.026 −0.024 ( 0.291 +0.037 −0.034 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.006 +0.008 −0.004 | |
| Orbital semimajor axis | 0.0623 +0.0010 −0.0013 | AU |
| Planetary mass | 53.8 +1.9 −2.2 ( 171025 +6040 −6994 ) | Mjup Mearth |
| Planetary radius | 0.999 +0.053 −0.051 ( 11.20 + 0.59 − 0.57 ) | Rjup Rearth |
| Planetary surface gravity | 1330 +160 −140 5.12 +0.05 −0.05 | m/s2 log(cgs) |
| Planetary mean density | 50.3 +9.0 −7.5 ( 66.7 +11.9 − 9.9 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1512 +47 −43 | K |
| Reference of detailed study | arXiv:2501.09795 |
TOI-3577 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)