TEPCat: K2-232


 

This page summarises the information held within TEPCat for the transiting planetary system K2-232. 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
Right ascension 04 55 03.96 h m s
Declination +18 39 16.3 d m s
V-band apparent magnitude 9.90 mag
K-band apparent magnitude 8.43 mag
Transit duration 0.20802
( 4.9925 )
day
hour
Transit depth 0.79 %
Time of mid-transit   2457825.349782 ± 0.000093     HJD or BJD
Orbital period 11.168454 ± 0.000023 days
Reference for orbital ephemeris   2018MNRAS.477.2572B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6154 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.04 dex
Stellar mass 1.118 +0.028 −0.026   Msun
Stellar radius 1.161 ± 0.024 Rsun
Stellar logarithmic surface gravity 4.379 ± 0.017 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.258 ± 0.025  
Orbital semimajor axis   0.10356 +0.00081 −0.00077  AU
Planetary mass 0.398 ± 0.037
( 126 ± 11 )
Mjup
Mearth
Planetary radius 1.000 +0.022 −0.020
( 11.21 + 0.25 − 0.22 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1030 ± 15 K
Reference of detailed study 2018MNRAS.477.2572B  

 

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

 

 

K2-232 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)