TEPCat: Kepler-289b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-289b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014ApJ...784...45R  
Date of discovery paper 2014 / 3 / 20 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 19 49 51.68 h m s
Declination +42 52 58.2 d m s
Right ascension (decimal) 297.46533 degrees
Declination (decimal) 42.88283 degrees
V-band apparent magnitude 14.11 mag
K-band apparent magnitude 12.51 mag
Transit duration 0.1324
( 3.178 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2454965.6879 ± 0.0006     HJD or BJD
Orbital period 34.5483 ± 0.0006 days
Reference for orbital ephemeris   2023AJ....165...48G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5990 ± 38 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.065 ± 0.04 dex
Stellar mass 1.08 ± 0.02   Msun
Stellar radius 1.00 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.47 ± 0.01 c.g.s.
Stellar mean density 1.19 ± 0.05
( 1.679 ± 0.071 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.21 ± 0.01  AU
Planetary mass 0.012 +0.012 −0.006
( 3.8 +3.8 −1.9 )
Mjup
Mearth
Planetary radius 0.222 ± 0.006
( 2.488 ± 0.067 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.0 +1.1 −0.6
( 1.33 +1.46 −0.80 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2023AJ....165...48G  

 

Kepler-289b does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/02/12           John Southworth   (Keele University, UK)