TEPCat: Kepler-17


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-17. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011ApJS..197...14D  
Date of discovery paper 2011 / 7 / 29 y / m / d
Right ascension 19 53 34.86 h m s
Declination +47 48 54.0 d m s
V-band apparent magnitude 14.30 mag
K-band apparent magnitude 12.59 mag
Transit duration 0.09485
( 2.2764 )
day
hour
Transit depth 2.0 %
Time of mid-transit   2455185.678033 ± 0.000023     HJD or BJD
Orbital period 1.48571091 ± 0.00000021 days
Reference for orbital ephemeris   2013A+A...560A.112M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5781 ± 85 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.26 ± 0.10 dex
Stellar mass 1.066 +0.050 −0.161   Msun
Stellar radius 0.983 +0.019 −0.050 Rsun
Stellar logarithmic surface gravity 4.481 +0.007 −0.024 c.g.s.
Stellar mean density 1.121 +0.015 −0.034
( 1.582 +0.021 −0.048 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.02605 +0.00041 −0.00133  AU
Planetary mass 2.340 +0.089 −0.244
( 743 +28 −77 )
Mjup
Mearth
Planetary radius 1.310 +0.024 −0.067
( 14.68 + 0.27 − 0.75 )
Rjup
Rearth
Planetary surface gravity 33.82 +0.85 −1.01
3.53 +0.01 −0.01
m/s2
log(cgs)
Planetary mean density 0.974 +0.057 −0.039
( 1.292 +0.076 −0.052 )
ρjup
g cm-3
Planetary equilibrium temperature 1712 +26 −25 K
Reference of detailed study 2012MNRAS.426.1291S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Désert et al. (2011)   0   ±   15  

 

 

Kepler-17 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)