TEPCat: Kepler-431c


This page summarises the information held within TEPCat for the transiting planetary system Kepler-431c. Please see here for descriptions of the quantities given below.


Discovery and basic observable quantities:
Quantity Value Unit
Reference of discovery paper 2015AJ....149...55E  
Date of discovery paper 2014 / 11 / 14 y / m / d
Right ascension 18 44 26.96 h m s
Declination +43 13 40.1 d m s
V-band apparent magnitude 12.08 mag
K-band apparent magnitude 10.65 mag
Transit duration 0.1907
( 4.577 )
Transit depth 0.003 %
Time of mid-transit   2455040.162 ± 0.015     HJD or BJD
Orbital period 8.70295 ± 0.00027 days
Reference for orbital ephemeris   2013ApJS..204...24B  


Physical properties from the most recent detailed study:
Quantity Value Unit
Stellar effective temperature 6004 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.07 ± 0.10 dex
Stellar mass 1.092 +0.191 −0.109   Msun
Stellar radius 1.071 +0.059 −0.037 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.0857  AU
Planetary mass Mjup
Planetary radius 0.060
( 0.67 )
Planetary surface gravity m/s2
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 951 K
Reference of detailed study 2015AJ....149...55E  


Kepler-431c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.


Kepler-431c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.


Page generated on 2018/02/15           John Southworth   (Keele University, UK)