TEPCat: Kepler-428


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-428. 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 22 19.61 h m s
Declination +40 34 38.6 d m s
V-band apparent magnitude 15.47 mag
K-band apparent magnitude 13.23 mag
Transit duration 0.1089
( 2.614 )
day
hour
Transit depth 2.4 %
Time of mid-transit   2455003.048008 ± 0.000032     HJD or BJD
Orbital period 3.52563254 ± 0.00000015 days
Reference for orbital ephemeris   2014A+A...572A..93H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5150 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.17 dex
Stellar mass 0.87 ± 0.05   Msun
Stellar radius 0.80 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.571 ± 0.011 c.g.s.
Stellar mean density 1.208 ± 0.029
( 1.704 ± 0.041 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.22 −0.0  
Orbital semimajor axis   0.0433 ± 0.0009  AU
Planetary mass 1.27 ± 0.19
( 403 ± 60 )
Mjup
Mearth
Planetary radius 1.08 ± 0.03
( 12.11 ± 0.34 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.77 ± 0.11
( 1.02 ± 0.15 )
ρjup
g cm-3
Planetary equilibrium temperature 1070 ± 25 K
Reference of detailed study 2014A+A...572A..93H  

 

Kepler-428 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-428 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)