TEPCat: Kepler-425


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-425. 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 21 25.93 h m s
Declination +40 34 03.9 d m s
V-band apparent magnitude 14.95 mag
K-band apparent magnitude 12.81 mag
Transit duration 0.0980
( 2.352 )
day
hour
Transit depth 1.5 %
Time of mid-transit   2454966.508785 ± 0.000039     HJD or BJD
Orbital period 3.79701816 ± 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 5170 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.24 ± 0.11 dex
Stellar mass 0.93 ± 0.05   Msun
Stellar radius 0.86 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.535 ± 0.010 c.g.s.
Stellar mean density 1.026 ± 0.021
( 1.448 ± 0.030 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.33 −0.0  
Orbital semimajor axis   0.0464 ± 0.0008  AU
Planetary mass 0.25 ± 0.08
( 79 ± 25 )
Mjup
Mearth
Planetary radius 0.978 ± 0.022
( 10.96 ± 0.25 )
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 1070 ± 15 K
Reference of detailed study 2014A+A...572A..93H  

 

Kepler-425 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-425 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)