TEPCat: Kepler-9d


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-9d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011ApJ...727...24T  
Date of discovery paper 2010 / 11 / 22 y / m / d
Right ascension 19 02 17.76 h m s
Declination +38 24 03.2 d m s
V-band apparent magnitude 13.93 mag
K-band apparent magnitude 12.34 mag
Transit duration 0.0821
( 1.970 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2455733.15785 ± 0.00026     HJD or BJD
Orbital period 1.5929592 ± 0.0000010 days
Reference for orbital ephemeris   arXiv:1403.1372  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5777 ± 61 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.04 dex
Stellar mass 1.05 ± 0.03   Msun
Stellar radius 1.23 ± 0.01 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0271 ± 0.0001  AU
Planetary mass Mjup
Mearth
Planetary radius 0.146 +0.017 −0.012
( 1.64 +0.19 −0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 2026 ± 60 K
Reference of detailed study arXiv:1403.1372  

 

Kepler-9d does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-9d 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)