This page summarises the information held within TEPCat for the transiting system K2-159b. 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 | 12 02 09.81 | h m s |
| Declination | −03 34 50.6 | d m s |
| Right ascension (decimal) | 180.54087 | degrees |
| Declination (decimal) | -3.58072 | degrees |
| V-band apparent magnitude | 11.58 | mag |
| K-band apparent magnitude | 9.98 | mag |
| Transit duration | 0.1507 ( 3.617 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2457586.50820 ± 0.00740 | HJD or BJD |
| Orbital period | 12.4220500 ± 0.0018000 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5425 ± 44 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.07 ± 0.06 | dex |
| Stellar mass | 0.900 +0.020 −0.030 | Msun |
| Stellar radius | 0.830 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.560 +0.010 −0.020 | c.g.s. |
| Stellar mean density | 1.900 +0.900 −1.100 ( 2.7 +1.3 −1.6 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.10130 +0.00080 −0.00090 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.202 +0.015 −0.010 ( 2.26 +0.17 −0.11 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 684 ± 8 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-159b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)