TEPCat: Kepler-46b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-46b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012Sci...336.1133N  
Date of discovery paper 2012 / 8 / 7 y / m / d
Right ascension 19 17 04.50 h m s
Declination +42 36 15.0 d m s
V-band apparent magnitude 15.49 mag
K-band apparent magnitude 13.35 mag
Transit duration 0.1828
( 4.387 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2455053.2826 ± 0.0014     HJD or BJD
Orbital period 33.60134 ± 0.00021 days
Reference for orbital ephemeris   2012Sci...336.1133N  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5155 ± 105 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.41 ± 0.10 dex
Stellar mass 0.902 +0.040 −0.038   Msun
Stellar radius 0.938 +0.038 −0.039 Rsun
Stellar logarithmic surface gravity 4.447 +0.040 −0.035 c.g.s.
Stellar mean density 1.08 +0.16 −0.12
( 1.52 +0.23 −0.17 )
ρsun
g cm-3
Orbital eccentricity 0.0321 +0.0069 −0.0078  
Orbital semimajor axis   0.1971 ± 0.0001  AU
Planetary mass 0.885 +0.374 −0.343
( 281 +118 −109 )
Mjup
Mearth
Planetary radius 0.810 +0.035 −0.036
( 9.08 +0.39 −0.40 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.56 +0.69 −0.85
( 2.07 +0.92 −1.13 )
ρjup
g cm-3
Planetary equilibrium temperature 543 ± 16 K
Reference of detailed study arXiv:1704.01541  

 

Kepler-46b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-46b 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)