TEPCat: Kepler-423


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-423. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015A+A...576A...1G  
Date of discovery paper 2014 / 9 / 30 y / m / d
Right ascension 19 31 25.38 h m s
Declination +46 23 28.2 d m s
V-band apparent magnitude 14.42 mag
K-band apparent magnitude 12.78 mag
Transit duration 0.1134
( 2.722 )
day
hour
Transit depth 1.8 %
Time of mid-transit   2454966.354810 ± 0.000021     HJD or BJD
Orbital period 2.68432850 ± 0.00000007 days
Reference for orbital ephemeris   2015A+A...576A...1G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5560 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.05 dex
Stellar mass 0.85 ± 0.04   Msun
Stellar radius 0.95 ± 0.04 Rsun
Stellar logarithmic surface gravity 4.41 ± 0.04 c.g.s.
Stellar mean density 0.991 ± 0.068
( 1.398 ± 0.096 )
ρsun
g cm-3
Orbital eccentricity 0.019 +0.028 −0.014  
Orbital semimajor axis   0.03585 +0.00052 −0.00114  AU
Planetary mass 0.595 ± 0.081
( 189 ± 25 )
Mjup
Mearth
Planetary radius 1.192 ± 0.052
( 13.36 ± 0.58 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.346 ± 0.063
( 0.459 ± 0.084 )
ρjup
g cm-3
Planetary equilibrium temperature 1605 ± 120 K
Reference of detailed study 2015A+A...576A...1G  

 

Kepler-423 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-423 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)