This page summarises the information held within TEPCat for the transiting planetary system TOI-4155b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2508.02782 | |
| Date of discovery paper | 2025 / 8 / 6 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 21 42 32.69 | h m s |
| Declination | +77 44 03.8 | d m s |
| Right ascension (decimal) | 325.63621 | degrees |
| Declination (decimal) | 77.73439 | degrees |
| V-band apparent magnitude | 11.85 | mag |
| K-band apparent magnitude | 10.27 | mag |
| Transit duration | 0.10 ( 2.4 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2459803.9384 ± 0.0024 | HJD or BJD |
| Orbital period | 3.320729 ± 0.000058 | days |
| Reference for orbital ephemeris | arXiv:2508.02782 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5724 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.11 ± 0.08 | dex |
| Stellar mass | 1.16 ± 0.22 | Msun |
| Stellar radius | 1.16 ± 0.22 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.286 ± 0.015 ( 3.21 ± 0.17 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1255 | K |
| Reference of detailed study | arXiv:2508.02782 |
TOI-4155b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)