TEPCat: Kepler-444d


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-444d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...799..170C  
Date of discovery paper 2015 / 1 / 27 y / m / d
Right ascension 19 19 00.55 h m s
Declination +41 38 04.6 d m s
V-band apparent magnitude 9.17 mag
K-band apparent magnitude 6.70 mag
Transit duration 0.0921
( 2.210 )
day
hour
Transit depth 0.005 %
Time of mid-transit   2454967.7869 ± 0.0015     HJD or BJD
Orbital period 6.189392 ± 0.000012 days
Reference for orbital ephemeris   2015ApJ...799..170C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5046 ± 74 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.69 ± 0.09 dex
Stellar mass 0.758 ± 0.043   Msun
Stellar radius 0.752 ± 0.014 Rsun
Stellar logarithmic surface gravity 4.5625 ± 0.0095 c.g.s.
Stellar mean density 1.768 ± 0.020
( 2.495 ± 0.028 )
ρsun
g cm-3
Orbital eccentricity 0.18 +0.16 −0.12  
Orbital semimajor axis   0.0600 ± 0.0011  AU
Planetary mass Mjup
Mearth
Planetary radius 0.0473 +0.0020 −0.0017
( 0.530 +0.022 −0.019 )
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...799..170C  

 

Kepler-444d does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-444d 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)