This page summarises the information held within TEPCat for the transiting system K2-158b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156...78L | |
| Date of discovery paper | 2018 / 7 / 2 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 59 45.59 | h m s |
| Declination | −05 43 18.1 | d m s |
| Right ascension (decimal) | 179.93996 | degrees |
| Declination (decimal) | -5.72169 | degrees |
| V-band apparent magnitude | 11.51 | mag |
| K-band apparent magnitude | 9.97 | mag |
| Transit duration | 0.1595 ( 3.828 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2457590.48340 ± 0.00800 | HJD or BJD |
| Orbital period | 10.0604900 ± 0.0013400 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5503 +51 −48 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.07 ± 0.07 | dex |
| Stellar mass | 0.920 +0.030 −0.020 | Msun |
| Stellar radius | 0.950 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.450 ± 0.020 | c.g.s. |
| Stellar mean density | 0.900 +0.300 −0.500 ( 1.27 +0.42 −0.71 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.08870 ± 0.00080 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.236 +0.014 −0.009 ( 2.65 +0.16 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 794 ± 11 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-158b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)