TEPCat: K2-232b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-232b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.477.2572B  
Date of discovery paper 2018 / 2 / 27 y / m / d
Data/telescope used for discovery K2  
Right ascension 04 55 03.96 h m s
Declination +18 39 16.3 d m s
Right ascension (decimal) 73.76650 degrees
Declination (decimal) 18.65453 degrees
V-band apparent magnitude 9.90 mag
K-band apparent magnitude 8.43 mag
Transit duration 0.20911
( 5.0186 )
day
hour
Transit depth 0.79 %
Time of mid-transit   2458160.404632 ± 0.000048     HJD or BJD
Orbital period 11.1684377 ± 0.0000010 days
Reference for orbital ephemeris   arXiv:2609.09077  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6100 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.106 ± 0.039 dex
Stellar mass 1.121 +0.063 −0.065   Msun
Stellar radius 1.210 +0.036 −0.035 Rsun
Stellar logarithmic surface gravity 4.322 +0.033 −0.035 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.245 +0.023 −0.024  
Orbital semimajor axis   0.1016 +0.0019 −0.0020  AU
Planetary mass 0.427 +0.039 −0.036
( 135 +12 −11 )
Mjup
Mearth
Planetary radius1.037 +0.031 −0.030
( 11.62 + 0.35 − 0.34 )
Rjup
Rearth
Planetary surface gravity m/s2
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1030 ± 15 K
Reference of detailed study arXiv:2609.09077  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Wang et al. (2021)   −11.1   ±   6.6  

 

 


Page generated on 2026/09/09           John Southworth   (Keele University, UK)