TEPCat: Kepler-309b


 

This page summarises the information held within TEPCat for the transiting system Kepler-309b. 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 50 02.37 h m s
Declination +46 57 40.5 d m s
V-band apparent magnitude 15.47 mag
K-band apparent magnitude 12.85 mag
Transit duration 0.1161
( 2.786 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2454967.68239 ± 0.00245     HJD or BJD
Orbital period 5.923653 ± 0.000028 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4713 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   0.20 ± 0.10 dex
Stellar mass 0.778   Msun
Stellar radius 0.721 ± 0.040 Rsun
Stellar logarithmic surface gravity 4.612 ± 0.150 c.g.s.
Stellar mean density 2.927 ± 0.388
( 4.13 ± 0.55 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.139 ± 0.012
( 1.56 ± 0.13 )
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-309b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-309b 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)