TEPCat: Kepler-308b


 

This page summarises the information held within TEPCat for the transiting system Kepler-308b. 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 43 08.44 h m s
Declination +40 26 22.4 d m s
V-band apparent magnitude 16.01 mag
K-band apparent magnitude 14.18 mag
Transit duration 0.1087
( 2.609 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2455015.45617 ± 0.00558     HJD or BJD
Orbital period 9.694928 ± 0.000090 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5895 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.11 ± 0.50 dex
Stellar mass 1.038   Msun
Stellar radius 0.941 ± 0.452 Rsun
Stellar logarithmic surface gravity 4.508 ± 0.300 c.g.s.
Stellar mean density 1.758 ± 0.548
( 2.48 ± 0.77 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.189 ± 0.091
( 2.1 ± 1.0 )
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-308b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-308b 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)