TEPCat: Kepler-440b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-440b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...800...99T  
Date of discovery paper 2015 / 1 / 7 y / m / d
Right ascension 19 01 23.99 h m s
Declination +41 27 07.9 d m s
V-band apparent magnitude 15.71 mag
K-band apparent magnitude 12.12 mag
Transit duration 0.331
( 7.94 )
day
hour
Transit depth 0.10 %
Time of mid-transit   2455756.2986 ± 0.0028     HJD or BJD
Orbital period 101.11141 ± 0.00087 days
Reference for orbital ephemeris   2015ApJ...800...99T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4134 ± 154 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.30 ± 0.15 dex
Stellar mass 0.575 +0.043 −0.047   Msun
Stellar radius 0.559 +0.029 −0.054 Rsun
Stellar logarithmic surface gravity 4.706 +0.049 −0.016 c.g.s.
Stellar mean density 3.37 +0.73 −0.34
( 4.76 +1.03 −0.48 )
ρsun
g cm-3
Orbital eccentricity 0.34 +0.12 −0.19  
Orbital semimajor axis   0.242 +0.066 −0.041  AU
Planetary mass Mjup
Mearth
Planetary radius 0.166 +0.021 −0.017
( 1.86 +0.24 −0.19 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2015ApJ...800...99T  

 

Kepler-440b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-440b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)