TEPCat: Kepler-222b


 

This page summarises the information held within TEPCat for the transiting system Kepler-222b. 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 11 37.46 h m s
Declination +46 56 16.0 d m s
V-band apparent magnitude 15.27 mag
K-band apparent magnitude 13.23 mag
Transit duration 0.0762
( 1.829 )
day
hour
Transit depth 0.12 %
Time of mid-transit   2455002.65076 ± 0.00063     HJD or BJD
Orbital period 3.936981 ± 0.000005 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5433 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   0.15 ± 0.50 dex
Stellar mass 0.978   Msun
Stellar radius 0.869 ± 0.380 Rsun
Stellar logarithmic surface gravity 4.551 ± 0.300 c.g.s.
Stellar mean density 2.102 ± 0.743
( 3.0 ± 1.0 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.282 ± 0.125
( 3.2 ± 1.4 )
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-222b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-222b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)