TEPCat: Kepler-447


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-447. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015A+A...577A.105L  
Date of discovery paper 2015 / 2 / 12 y / m / d
Right ascension 19 01 04.46 h m s
Declination +48 33 36.0 d m s
V-band apparent magnitude 12.56 mag
K-band apparent magnitude 10.81 mag
Transit duration 0.0473
( 1.135 )
day
hour
Transit depth 0.32 %
Time of mid-transit   2454970.2605 ± 0.0002     HJD or BJD
Orbital period 7.794301 ± 0.000002 days
Reference for orbital ephemeris   2014ApJS..210...19B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5943 ± 62 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.07 ± 0.05 dex
Stellar mass 1.00 ± 0.07   Msun
Stellar radius 1.03 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.40 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.123 ± 0.012  
Orbital semimajor axis   0.0769 +0.0021 −0.0026  AU
Planetary mass 1.37 +0.16 −0.15
( 435 +50 −47 )
Mjup
Mearth
Planetary radius 1.65 +0.20 −0.19
( 18.5 + 2.2 − 2.1 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.30 +0.24 −0.08
( 0.40 +0.32 −0.11 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2015A+A...577A.105L  

 

Kepler-447 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-447 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)