TEPCat: Kepler-186b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-186b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014Sci...344..277Q  
Date of discovery paper 2014 / 4 / 18 y / m / d
Right ascension 19 54 36.65 h m s
Declination +43 57 18.1 d m s
V-band apparent magnitude 15.23 mag
K-band apparent magnitude 11.61 mag
Transit duration 0.0821
( 1.970 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2454966.3304 ± 0.0013     HJD or BJD
Orbital period 3.8867907 ± 0.0000062 days
Reference for orbital ephemeris   2014Sci...344..277Q  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3852 ± 64 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.08 ± 0.10 dex
Stellar mass 0.478 ± 0.055   Msun
Stellar radius 0.472 ± 0.052 Rsun
Stellar logarithmic surface gravity 4.770 ± 0.069 c.g.s.
Stellar mean density 3.49 +0.63 −0.75
( 4.92 +0.89 −1.06 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.0343 ± 0.0046  AU
Planetary mass Mjup
Mearth
Planetary radius 0.095 ± 0.011
( 1.06 ± 0.12 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2014Sci...344..277Q  

 

Kepler-186b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-186b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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