TEPCat: K2-168b


This page summarises the information held within TEPCat for the transiting planetary system K2-168b. Please see here for descriptions of the quantities given below.


Discovery and basic observable quantities:
Quantity Value Unit
Reference of discovery paper 2018AJ....155..136M  
Date of discovery paper 2018 / 2 / 15 y / m / d
Data/telescope used for discovery K2  
Right ascension 22 12 26.37 h m s
Declination −16 20 30.3 d m s
Right ascension (decimal) 333.10987 degrees
Declination (decimal) -16.34175 degrees
V-band apparent magnitude 12.29 mag
K-band apparent magnitude 10.55 mag
Transit duration 0.17
( 4.1 )
Transit depth 0.05 %
Time of mid-transit   2456975.0377 ± 0.0023     HJD or BJD
Orbital period 15.8523 ± 0.0019 days
Reference for orbital ephemeris   2019ApJ...880L...5H  


Physical properties from the most recent detailed study:
Quantity Value Unit
Stellar effective temperature 5503 +101 −51 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.877 +0.060 −0.029   Msun
Stellar radius 0.830 +0.087 −0.043 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Planetary radius 0.166 +0.021 −0.010
( 1.86 +0.24 −0.11 )
Planetary surface gravity m/s2
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 766 +16 −8 K
Reference of detailed study 2019ApJ...880L...5H  


K2-168b does not have an entry in the catalogue of orbital obliquity measurements.


K2-168b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.


Page generated on 2022/12/07           John Southworth   (Keele University, UK)