TEPCat: Kepler-426


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-426. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...572A..93H  
Date of discovery paper 2014 / 10 / 1 y / m / d
Right ascension 19 17 44.31 h m s
Declination +49 28 24.2 d m s
V-band apparent magnitude 14.99 mag
K-band apparent magnitude 13.21 mag
Transit duration 0.0913
( 2.191 )
day
hour
Transit depth 1.4 %
Time of mid-transit   2454966.631964 ± 0.000047     HJD or BJD
Orbital period 3.21751883 ± 0.00000019 days
Reference for orbital ephemeris   2014A+A...572A..93H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5725 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.21 ± 0.08 dex
Stellar mass 0.91 ± 0.06   Msun
Stellar radius 0.92 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.471 ± 0.011 c.g.s.
Stellar mean density 0.829 ± 0.016
( 1.170 ± 0.023 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.18 −0.0  
Orbital semimajor axis   0.0414 ± 0.0010  AU
Planetary mass 0.34 ± 0.08
( 108 ± 25 )
Mjup
Mearth
Planetary radius 1.09 ± 0.03
( 12.22 ± 0.34 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.20 ± 0.05
( 0.265 ± 0.066 )
ρjup
g cm-3
Planetary equilibrium temperature 1300 ± 20 K
Reference of detailed study 2014A+A...572A..93H  

 

Kepler-426 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-426 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)