TEPCat: Kepler-198b


 

This page summarises the information held within TEPCat for the transiting system Kepler-198b. 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 41.55 h m s
Declination +38 41 27.6 d m s
V-band apparent magnitude 13.75 mag
K-band apparent magnitude 12.02 mag
Transit duration 0.1866
( 4.478 )
day
hour
Transit depth 0.09 %
Time of mid-transit   2455015.43638 ± 0.00105     HJD or BJD
Orbital period 17.790037 ± 0.000035 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5574 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.10 dex
Stellar mass 0.942   Msun
Stellar radius 0.940 ± 0.139 Rsun
Stellar logarithmic surface gravity 4.467 ± 0.150 c.g.s.
Stellar mean density 1.601 ± 0.463
( 2.26 ± 0.65 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.252 ± 0.037
( 2.82 ± 0.41 )
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-198b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-198b 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)