TEPCat: Kepler-68b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-68b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013ApJ...766...40G  
Date of discovery paper 2013 / 2 / 12 y / m / d
Right ascension 19 24 07.75 h m s
Declination +49 02 25.0 d m s
V-band apparent magnitude 10.11 mag
K-band apparent magnitude 8.59 mag
Transit duration 0.1441
( 3.458 )
day
hour
Transit depth 0.035 %
Time of mid-transit   2455006.85729 ± 0.00042     HJD or BJD
Orbital period 5.398763 ± 0.000004 days
Reference for orbital ephemeris   2013ApJ...766...40G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5793 ± 74 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.07 dex
Stellar mass 1.079 ± 0.051   Msun
Stellar radius 1.243 ± 0.019 Rsun
Stellar logarithmic surface gravity 4.281 ± 0.008 c.g.s.
Stellar mean density 0.5601 ± 0.0038
( 0.7903 ± 0.0054 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.06170 ± 0.00056  AU
Planetary mass 0.019 ± 0.005
( 6.0 ± 1.6 )
Mjup
Mearth
Planetary radius 0.2061 +0.0054 −0.0080
( 2.310 +0.061 −0.090 )
Rjup
Rearth
Planetary surface gravity 13.8 +4.0 −3.1
3.1 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 2.50 +0.65 −0.74
( 3.32 +0.86 −0.98 )
ρjup
g cm-3
Planetary equilibrium temperature 1280 ± 90 K
Reference of detailed study 2013ApJ...766...40G  

 

Kepler-68b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-68b 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)