This page summarises the information held within TEPCat for the transiting system K2-131b. 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 11 00.37 | h m s |
| Declination | −09 45 54.7 | d m s |
| Right ascension (decimal) | 182.75154 | degrees |
| Declination (decimal) | -9.76519 | degrees |
| V-band apparent magnitude | 11.72 | mag |
| K-band apparent magnitude | 10.05 | mag |
| Transit duration | 0.0432 ( 1.037 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2457582.93550 ± 0.00110 | HJD or BJD |
| Orbital period | 0.3693100 ± 0.0000100 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5245 +46 −52 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.17 ± 0.03 | dex |
| Stellar mass | 0.840 ± 0.010 | Msun |
| Stellar radius | 0.750 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.610 ± 0.010 | c.g.s. |
| Stellar mean density | 1.700 +0.400 −0.600 ( 2.40 +0.56 −0.85 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.00950 ± 0.00005 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.152 +0.008 −0.004 ( 1.704 +0.090 −0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 2062 ± 23 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-131b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)