TEPCat: Kepler-28c


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-28c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.421.2342S  
Date of discovery paper 2012 / 1 / 27 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 19 28 32.89 h m s
Declination +42 25 45.9 d m s
Right ascension (decimal) 292.13704 degrees
Declination (decimal) 42.42942 degrees
V-band apparent magnitude 15.38 mag
K-band apparent magnitude 12.71 mag
Transit duration 0.1231
( 2.954 )
day
hour
Transit depth 0.08 %
Time of mid-transit   2455008.68153 ± 0.00153     HJD or BJD
Orbital period 8.985849 ± 0.000025 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4499 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.05 ± 0.10 dex
Stellar mass 0.684 ± 0.026   Msun
Stellar radius 0.664 ± 0.013 Rsun
Stellar logarithmic surface gravity 2.32 ± 0.14 c.g.s.
Stellar mean density 3.463 ± 0.396
( 4.89 ± 0.56 )
ρsun
g cm-3
Orbital eccentricity 0.017 +0.023 −0.014  
Orbital semimajor axis     AU
Planetary mass 0.0065 +0.0022 −0.0016
( 2.07 +0.70 −0.51 )
Mjup
Mearth
Planetary radius 0.1657 ± 0.0037
( 1.857 ± 0.041 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2207.07456  

 

Kepler-28c does not have an entry in the catalogue of orbital obliquity measurements.

 

Kepler-28c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)