TEPCat: Kepler-454


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-454. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...816...95G  
Date of discovery paper 2015 / 12 / 1 y / m / d
Right ascension 19 09 54.84 h m s
Declination +38 13 43.8 d m s
V-band apparent magnitude 11.59 mag
K-band apparent magnitude 9.97 mag
Transit duration 0.071
( 1.70 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2455008.06759 ± 0.00077     HJD or BJD
Orbital period 10.5737534 ± 0.0000078 days
Reference for orbital ephemeris   2016ApJ...816...95G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5687 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.32 ± 0.08 dex
Stellar mass 1.028 +0.04 −0.03   Msun
Stellar radius 1.066 ± 0.012 Rsun
Stellar logarithmic surface gravity 4.395 +0.077 −0.055 c.g.s.
Stellar mean density 0.904 ± 0.011
( 1.276 ± 0.016 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.34 −0.0  
Orbital semimajor axis   0.0954 ± 0.0012  AU
Planetary mass 0.0214 ± 0.0044
( 6.8 ± 1.4 )
Mjup
Mearth
Planetary radius 0.211 ± 0.012
( 2.37 ± 0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016ApJ...816...95G  

 

Kepler-454 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-454 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/05           John Southworth   (Keele University, UK)