This page summarises the information held within TEPCat for the transiting planetary system TOI-3877. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025ApJS..280...30Y | |
| Date of discovery paper | 2025 / 7 / 3 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 11 21 49.07 | h m s |
| Declination | +33 59 29.0 | d m s |
| Right ascension (decimal) | 170.45446 | degrees |
| Declination (decimal) | 33.99139 | degrees |
| V-band apparent magnitude | 12.48 | mag |
| K-band apparent magnitude | 10.92 | mag |
| Transit duration | 0.1128 ( 2.707 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2459753.9335 ± 0.0011 | HJD or BJD |
| Orbital period | 4.1235946 ± 0.0000067 | days |
| Reference for orbital ephemeris | 2025ApJS..280...30Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5705 ± 86 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.266 +0.070 −0.068 | dex |
| Stellar mass | 1.133 +0.079 −0.084 | Msun |
| Stellar radius | 1.459 +0.045 −0.047 | Rsun |
| Stellar logarithmic surface gravity | 4.167 +0.048 −0.041 | c.g.s. |
| Stellar mean density | 0.366 +0.045 −0.048 ( 0.516 +0.063 −0.068 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.15 +0.10 −0.14 | |
| Orbital semimajor axis | 0.0525 +0.0012 −0.0013 | AU |
| Planetary mass | 0.324 +0.072 −0.076 ( 102 +22 −24 ) | Mjup Mearth |
| Planetary radius | 1.026 +0.046 −0.048 ( 11.50 + 0.52 − 0.54 ) | Rjup Rearth |
| Planetary surface gravity | 7.6 +2.4 −1.7 2.9 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.28 +0.08 −0.09 ( 0.37 +0.11 −0.12 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1450 +19 −20 | K |
| Reference of detailed study | 2025ApJS..280...30Y |
TOI-3877 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)