TEPCat: Kepler-87b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-87b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...561A.103O  
Date of discovery paper 2013 / 10 / 9 y / m / d
Right ascension 19 51 40.05 h m s
Declination +46 57 54.5 d m s
V-band apparent magnitude 14.78 mag
K-band apparent magnitude 12.98 mag
Transit duration 0.503
( 12.07 )
day
hour
Transit depth 0.49 %
Time of mid-transit   2455112.8884 ± 0.0017     HJD or BJD
Orbital period 114.73635 ± 0.00015 days
Reference for orbital ephemeris   2014A+A...561A.103O  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5600 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.17 ± 0.03 dex
Stellar mass 1.1 ± 0.05   Msun
Stellar radius 1.82 ± 0.04 Rsun
Stellar logarithmic surface gravity 3.96 ± 0.02 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.036 ± 0.009  
Orbital semimajor axis   0.481 +0.026 −0.028  AU
Planetary mass 1.020 ± 0.028
( 324.25 ± 8.90 )
Mjup
Mearth
Planetary radius 1.203 ± 0.049
( 13.48 ± 0.55 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.550 +0.020 −0.02
( 0.730 +0.027 −0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 478 ± 4 K
Reference of detailed study 2014A+A...561A.103O  

 

Kepler-87b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-87b 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)