TEPCat: Kepler-420


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-420. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...571A..37S  
Date of discovery paper 2014 / 6 / 25 y / m / d
Right ascension 19 24 54.05 h m s
Declination +44 55 38.6 d m s
V-band apparent magnitude 14.88 mag
K-band apparent magnitude 12.73 mag
Transit duration 0.177
( 4.25 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2455006.79454 ± 0.00030     HJD or BJD
Orbital period 86.647661 ± 0.000034 days
Reference for orbital ephemeris   2014A+A...571A..37S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5520 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.27 ± 0.09 dex
Stellar mass 0.99 ± 0.05   Msun
Stellar radius 1.13 ± 0.14 Rsun
Stellar logarithmic surface gravity 4.32 ± 0.10 c.g.s.
Stellar mean density 0.70 ± 0.25
( 0.99 ± 0.35 )
ρsun
g cm-3
Orbital eccentricity 0.772 ± 0.045  
Orbital semimajor axis   0.382 ± 0.006  AU
Planetary mass 1.45 ± 0.35
( 460 ± 111 )
Mjup
Mearth
Planetary radius 0.94 ± 0.12
( 10.5 ± 1.3 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.6 ± 0.9
( 2.1 ± 1.2 )
ρjup
g cm-3
Planetary equilibrium temperature 511 ± 50 K
Reference of detailed study 2014A+A...571A..37S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Santerne et al. (2014)   74   + 32   - 46  

 

 

Kepler-420 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)