TEPCat: Kepler-391c


 

This page summarises the information held within TEPCat for the transiting system Kepler-391c. 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 22 29.24 h m s
Declination +51 03 26.3 d m s
V-band apparent magnitude 13.23 mag
K-band apparent magnitude 10.97 mag
Transit duration 0.4325
( 10.380 )
day
hour
Transit depth 0.01 %
Time of mid-transit   2454979.92391 ± 0.01078     HJD or BJD
Orbital period 20.485435 ± 0.000393 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4940 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.00 ± 0.10 dex
Stellar mass 1.353   Msun
Stellar radius 3.569 ± 0.853 Rsun
Stellar logarithmic surface gravity 3.455 ± 0.240 c.g.s.
Stellar mean density 0.042 ± 0.030
( 0.059 ± 0.042 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.316 ± 0.077
( 3.54 ± 0.86 )
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-391c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-391c 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)