TEPCat: Kepler-128b


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-128b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014ApJS..210...25X  
Date of discovery paper 2013 / 9 / 10 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 18 49 58.13 h m s
Declination +43 58 48.8 d m s
Right ascension (decimal) 282.49221 degrees
Declination (decimal) 43.98022 degrees
V-band apparent magnitude 11.46 mag
K-band apparent magnitude 10.10 mag
Transit duration 0.1663
( 3.991 )
day
hour
Transit depth 0.01 %
Time of mid-transit   2455008.95329 ± 0.00653     HJD or BJD
Orbital period 15.090015 ± 0.000233 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6072 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.09 ± 0.10 dex
Stellar mass 1.184 ± 0.074   Msun
Stellar radius 1.659 ± 0.038 Rsun
Stellar logarithmic surface gravity 4.071 ± 0.047 c.g.s.
Stellar mean density 0.2591 ± 0.0048
( 0.3656 ± 0.0068 )
ρsun
g cm-3
Orbital eccentricity 0.06 ± 0.12  
Orbital semimajor axis   0.127 ± 0.004  AU
Planetary mass 0.0119 +0.0024 −0.0021
( 3.78 +0.76 −0.67 )
Mjup
Mearth
Planetary radius 0.1268 ± 0.0036
( 1.421 ± 0.040 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 970 ± 64 K
Reference of detailed study arXiv:2207.07456  

 

Kepler-128b does not have an entry in the catalogue of orbital obliquity measurements.

 

Kepler-128b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/06           John Southworth   (Keele University, UK)