TEPCat: Kepler-89c


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013ApJ...768...14W  
Date of discovery paper 2013 / 3 / 10 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 0.24
( 5.8 )
day
hour
Transit depth 0.09 %
Time of mid-transit   2454971.00870 ± 0.00103     HJD or BJD
Orbital period 10.423648 ± 0.0000016 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 0.43 ± 0.23  
Orbital semimajor axis   0.1013 ± 0.0013  AU
Planetary mass 0.049 +0.034 −0.049
( 15 +10 −15 )
Mjup
Mearth
Planetary radius 0.385 ± 0.037
( 4.32 ± 0.41 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.69 +0.27 −0.69
( 0.92 +0.36 −0.92 )
ρjup
g cm-3
Planetary equilibrium temperature 1012 K
Reference of detailed study 2013ApJ...768...14W  

 

Kepler-89c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-89c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)