TEPCat: Kepler-398b


 

This page summarises the information held within TEPCat for the transiting system Kepler-398b. 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 25 52.48 h m s
Declination +40 20 37.9 d m s
V-band apparent magnitude 13.62 mag
K-band apparent magnitude 10.79 mag
Transit duration 0.0953
( 2.287 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2454966.85795 ± 0.00176     HJD or BJD
Orbital period 4.081423 ± 0.000011 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4493 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.07 ± 0.10 dex
Stellar mass 0.668   Msun
Stellar radius 0.613 ± 0.028 Rsun
Stellar logarithmic surface gravity 4.689 ± 0.150 c.g.s.
Stellar mean density 4.093 ± 0.397
( 5.78 ± 0.56 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.083 ± 0.009
( 0.93 ± 0.10 )
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-398b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-398b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/11           John Southworth   (Keele University, UK)