TEPCat: Kepler-122d


 

This page summarises the information held within TEPCat for the transiting system Kepler-122d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014ApJ...784...45R  
Date of discovery paper 2014 / 3 / 20 y / m / d
Right ascension 19 24 26.85 h m s
Declination +39 56 56.8 d m s
V-band apparent magnitude 14.38 mag
K-band apparent magnitude 12.82 mag
Transit duration 0.1951
( 4.682 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2454975.97287 ± 0.00379     HJD or BJD
Orbital period 21.587475 ± 0.000164 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6050 ± 137 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.16 ± 0.10 dex
Stellar mass 1.053   Msun
Stellar radius 1.216 ± 0.239 Rsun
Stellar logarithmic surface gravity 4.299 ± 0.150 c.g.s.
Stellar mean density 0.826 ± 0.400
( 1.17 ± 0.56 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.196 ± 0.039
( 2.20 ± 0.44 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2014ApJ...784...45R  

 

Kepler-122d does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-122d has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/12           John Southworth   (Keele University, UK)