TEPCat: Kepler-331b


 

This page summarises the information held within TEPCat for the transiting system Kepler-331b. 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 27 20.24 h m s
Declination +39 18 26.5 d m s
V-band apparent magnitude 16.24 mag
K-band apparent magnitude 13.34 mag
Transit duration 0.0960
( 2.304 )
day
hour
Transit depth 0.14 %
Time of mid-transit   2454966.86954 ± 0.00185     HJD or BJD
Orbital period 8.457496 ± 0.000024 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4347 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.85 ± 0.50 dex
Stellar mass 0.518   Msun
Stellar radius 0.492 ± 0.047 Rsun
Stellar logarithmic surface gravity 4.768 ± 0.300 c.g.s.
Stellar mean density 6.138 ± 1.041
( 8.7 ± 1.5 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.162 ± 0.017
( 1.82 ± 0.19 )
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-331b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-331b 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)