TEPCat: Kepler-434


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-434. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015A+A...575A..71A  
Date of discovery paper 2015 / 1 / 8 y / m / d
Right ascension 19 34 20.73 h m s
Declination +42 55 44.1 d m s
V-band apparent magnitude 14.65 mag
K-band apparent magnitude 13.04 mag
Transit duration 0.0953
( 2.287 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2455003.02283 ± 0.00042     HJD or BJD
Orbital period 12.8747099 ± 0.0000050 days
Reference for orbital ephemeris   2015A+A...575A..71A  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5970 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.35 ± 0.15 dex
Stellar mass 1.198 ± 0.093   Msun
Stellar radius 1.38 ± 0.13 Rsun
Stellar logarithmic surface gravity 4.242 ± 0.055 c.g.s.
Stellar mean density 0.46 ± 0.11
( 0.65 ± 0.16 )
ρsun
g cm-3
Orbital eccentricity 0.131 ± 0.072  
Orbital semimajor axis   0.1143 ± 0.0030  AU
Planetary mass 2.86 ± 0.35
( 909 ± 111 )
Mjup
Mearth
Planetary radius 1.13 +0.26 −0.18
( 12.7 + 2.9 − 2.0 )
Rjup
Rearth
Planetary surface gravity 55 +19 −23
3.7 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 1.8 ± 1.0
( 2.4 ± 1.3 )
ρjup
g cm-3
Planetary equilibrium temperature 1000 ± 45 K
Reference of detailed study 2015A+A...575A..71A  

 

Kepler-434 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-434 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)