TEPCat: Kepler-117c


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-117c. 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 15 10.33 h m s
Declination +48 02 24.8 d m s
V-band apparent magnitude 14.48 mag
K-band apparent magnitude 13.01 mag
Transit duration 0.4535
( 10.884 )
day
hour
Transit depth 0.57 %
Time of mid-transit   2454968.63205 ± 0.00025     HJD or BJD
Orbital period 50.790391 ± 0.000014 days
Reference for orbital ephemeris   2015A+A...573A.124B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6150 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.04 ± 0.10 dex
Stellar mass 1.129 +0.013 −0.023   Msun
Stellar radius 1.606 ± 0.049 Rsun
Stellar logarithmic surface gravity 4.102 ± 0.029 c.g.s.
Stellar mean density 0.291 +0.010 −0.018
( 0.411 +0.014 −0.025 )
ρsun
g cm-3
Orbital eccentricity 0.0323 ± 0.0033  
Orbital semimajor axis   0.2804 +0.0092 −0.0028  AU
Planetary mass 1.84 ± 0.18
( 584 ± 57 )
Mjup
Mearth
Planetary radius 1.101 ± 0.035
( 12.34 ± 0.39 )
Rjup
Rearth
Planetary surface gravity 37.5 +3.7 −3.4
3.57 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 1.31 ± 0.14
( 1.74 ± 0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 704 ± 15 K
Reference of detailed study 2015A+A...573A.124B  

 

Kepler-117c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-117c 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)