TEPCat: Kepler-452


 

This page summarises the information held within TEPCat for the transiting system Kepler-452. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 15  
Date of discovery paper 2015 / 12 / 9 y / m / d
Right ascension 19 48 10.90 h m s
Declination +46 19 43.3 d m s
V-band apparent magnitude 14.0 mag
K-band apparent magnitude 12.50 mag
Transit duration 0.8
( 19. )
day
hour
Transit depth 0.15 %
Time of mid-transit   2455139.506 ± 0.004     HJD or BJD
Orbital period 572.3847 ± 0.0057 days
Reference for orbital ephemeris   arXiv:1512.02559  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature NO +NO −5757 K
Stellar metal abundance ([Fe/H] or [M/H])   85 +85 −+0.21 dex
Stellar mass   Msun
Stellar radius 0.15 +0.09 −1.037 Rsun
Stellar logarithmic surface gravity 0.054 +0.047 −4.32 c.g.s.
Stellar mean density 0.09 +0.09 −0.60
( 0.13 +0.13 −0.85 )
ρsun
g cm-3
Orbital eccentricity 0.019 +0.015 −-1  
Orbital semimajor axis   0.09 +383.843 −1.046  AU
Planetary mass 0.28 +0.13 −-1
( 89 +41 −-317 )
Mjup
Mearth
Planetary radius ) Rjup
Rearth
Planetary surface gravity 0.021 +0.018 −-1
0.3 + 0.3 −-1.7
m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 13  

 

Kepler-452 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-452 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2018/04/03           John Southworth   (Keele University, UK)