TEPCat: Kepler-89d


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-89d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012ApJ...759L..36H  
Date of discovery paper 2012 / 9 / 20 y / m / d
Right ascension 19 49 19.93 h m s
Declination +41 53 28.0 d m s
V-band apparent magnitude 12.33 mag
K-band apparent magnitude 10.93 mag
Transit duration 0.278
( 6.67 )
day
hour
Transit depth 0.55 %
Time of mid-transit   2454965.74052 ± 0.0015     HJD or BJD
Orbital period 22.3429890 ± 0.0000067 days
Reference for orbital ephemeris   2013ApJ...768...14W  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6182 ± 82 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.02 dex
Stellar mass 1.277 ± 0.050   Msun
Stellar radius 1.52 ± 0.14 Rsun
Stellar logarithmic surface gravity 4.181 ± 0.066 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.022 +0.038 −0.033  
Orbital semimajor axis   0.1684 ± 0.0022  AU
Planetary mass 0.333 ± 0.035
( 105 ± 11 )
Mjup
Mearth
Planetary radius 1.005 ± 0.095
( 11.3 ± 1.1 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.274 ± 0.076
( 0.36 ± 0.10 )
ρjup
g cm-3
Planetary equilibrium temperature 806 K
Reference of detailed study 2013ApJ...768...14W  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Hirano et al. (2012)   −6   + 13   - 11  
Albrecht et al. (2013)   −11   ±   11  

 

 

Kepler-89d 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)