TEPCat: Kepler-444b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-444b. 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
Data/telescope used for discovery Kepler  
Right ascension 19 19 00.55 h m s
Declination +41 38 04.6 d m s
Right ascension (decimal) 289.75229 degrees
Declination (decimal) 41.63461 degrees
V-band apparent magnitude 9.17 mag
K-band apparent magnitude 6.70 mag
Transit duration 0.0852
( 2.045 )
day
hour
Transit depth 0.003 %
Time of mid-transit   2454966.2599 ± 0.0018     HJD or BJD
Orbital period 3.6001053 ± 0.0000082 days
Reference for orbital ephemeris   2015ApJ...799..170C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5172 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.52 ± 0.12 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 0.16 +0.21 −0.10  
Orbital semimajor axis   0.04178 ± 0.0079  AU
Planetary mass 0.0 +0.0003 −0.0
( 0.000 +0.095 −0.000 )
Mjup
Mearth
Planetary radius 0.0360 +0.0014 −0.0013
( 0.404 +0.016 −0.015 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2022A+A...667A.128S  

 

Kepler-444b does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/11/22           John Southworth   (Keele University, UK)