TEPCat: Kepler-40


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-40. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011A+A...528A..63S  
Date of discovery paper 2011 / 1 / 1 y / m / d
Right ascension 19 47 15.28 h m s
Declination +47 31 35.7 d m s
V-band apparent magnitude 14.59 mag
K-band apparent magnitude 13.27 mag
Transit duration 0.286
( 6.86 )
day
hour
Transit depth 0.39 %
Time of mid-transit   2455204.83996 ± 0.00020     HJD or BJD
Orbital period 6.8731697 ± 0.0000096 days
Reference for orbital ephemeris   2012MNRAS.426.1291S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6510 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.10 dex
Stellar mass 1.46 ± 0.25   Msun
Stellar radius 2.48 ± 0.19 Rsun
Stellar logarithmic surface gravity 3.812 ± 0.050 c.g.s.
Stellar mean density 0.096 ± 0.014
( 0.135 ± 0.020 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0802 ± 0.0045  AU
Planetary mass 2.16 ± 0.43
( 686 ± 136 )
Mjup
Mearth
Planetary radius 1.44 ± 0.12
( 16.1 ± 1.3 )
Rjup
Rearth
Planetary surface gravity 25.7 ± 5.0
3.41 ± 0.08
m/s2
log(cgs)
Planetary mean density 0.67 ± 0.17
( 0.89 ± 0.23 )
ρjup
g cm-3
Planetary equilibrium temperature 1744 ± 51 K
Reference of detailed study 2012MNRAS.426.1291S  

 

Kepler-40 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-40 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)