This page summarises the information held within TEPCat for the transiting planetary system TOI-4551. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2024MNRAS.527.6332P | |
| Date of discovery paper | 2023 / 11 / 14 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 12 19 54.90 | h m s |
| Declination | −25 49 40.3 | d m s |
| Right ascension (decimal) | 184.97875 | degrees |
| Declination (decimal) | -25.82786 | degrees |
| V-band apparent magnitude | 9.97 | mag |
| K-band apparent magnitude | 7.52 | mag |
| Transit duration | 0.4 ( 10. ) | day hour |
| Transit depth | 0.10 | % |
| Time of mid-transit | 2458595.6597 ± 0.0048 | HJD or BJD |
| Orbital period | 9.955810 ± 0.000077 | days |
| Reference for orbital ephemeris | 2024MNRAS.527.6332P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4986 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.23 ± 0.06 | dex |
| Stellar mass | 1.31 +0.07 −0.18 | Msun |
| Stellar radius | 3.55 +0.18 −0.15 | Rsun |
| Stellar logarithmic surface gravity | 3.48 ± 0.10 | c.g.s. |
| Stellar mean density | 0.020 ± 0.004 ( 0.0282 ± 0.0056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.101 +0.034 −0.033 | |
| Orbital semimajor axis | 0.0994 +0.0030 −0.0032 | AU |
| Planetary mass | 1.49 ± 0.13 ( 473 ± 41 ) | Mjup Mearth |
| Planetary radius | 1.058 +0.110 −0.062 ( 11.86 + 1.23 − 0.69 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.31 ± 0.14 ( 1.74 ± 0.19 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2024MNRAS.527.6332P |
TOI-4551 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)