This page summarises the information held within TEPCat for the transiting planetary system TOI-558. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2022AJ....163....9I | |
| Date of discovery paper | 2021 / 2 / 5 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 49 09.96 | h m s |
| Declination | −58 01 28.9 | d m s |
| Right ascension (decimal) | 42.29150 | degrees |
| Declination (decimal) | -58.02469 | degrees |
| V-band apparent magnitude | 11.31 | mag |
| K-band apparent magnitude | 10.26 | mag |
| Transit duration | 0.1127 ( 2.705 ) | day hour |
| Transit depth | 0.56 | % |
| Time of mid-transit | 2458871.07253 ± 0.00053 | HJD or BJD |
| Orbital period | 14.574071 ± 0.000026 | days |
| Reference for orbital ephemeris | 2022AJ....163....9I |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6466 +95 −93 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.004 +0.059 −0.055 | dex |
| Stellar mass | 1.349 +0.064 −0.065 | Msun |
| Stellar radius | 1.496 +0.042 −0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.218 +0.030 −0.031 | c.g.s. |
| Stellar mean density | 0.403 +0.038 −0.036 ( 0.569 +0.054 −0.051 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.298 +0.022 −0.020 | |
| Orbital semimajor axis | 0.1291 +0.0020 −0.0021 | AU |
| Planetary mass | 3.61 ± 0.15 ( 1147 ± 47 ) | Mjup Mearth |
| Planetary radius | 1.086 +0.041 −0.038 ( 12.17 + 0.46 − 0.43 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.64 +0.32 −0.31 ( 3.50 +0.42 −0.41 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1061 +13 −12 | K |
| Reference of detailed study | 2022AJ....163....9I |
TOI-558 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)