TEPCat: Kepler-178c


 

This page summarises the information held within TEPCat for the transiting system Kepler-178c. 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 08 24.27 h m s
Declination +46 53 47.3 d m s
V-band apparent magnitude 14.78 mag
K-band apparent magnitude 12.89 mag
Transit duration 0.0919
( 2.206 )
day
hour
Transit depth 0.07 %
Time of mid-transit   2454978.02634 ± 0.00201     HJD or BJD
Orbital period 20.552802 ± 0.000066 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5676 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.19 ± 0.50 dex
Stellar mass 0.891   Msun
Stellar radius 1.066 ± 0.454 Rsun
Stellar logarithmic surface gravity 4.334 ± 0.300 c.g.s.
Stellar mean density 1.038 ± 0.513
( 1.46 ± 0.72 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.257 ± 0.110
( 2.9 ± 1.2 )
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-178c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-178c 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)