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 5855 +75 −86 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.058 ± 0.058 dex
Stellar mass 1.062 +0.047 −0.043   Msun
Stellar radius 1.252 +0.044 −0.043 Rsun
Stellar logarithmic surface gravity 4.270 ± 0.036 c.g.s.
Stellar mean density 0.541 +0.065 −0.058
( 0.763 +0.092 −0.082 )
ρsun
g cm-3
Orbital eccentricity 0.268 +0.036 −0.038  
Orbital semimajor axis   0.0998 ± 0.0014  AU
Planetary mass 0.408 +0.049 −0.047
( 129 +15 −14 )
Mjup
Mearth
Planetary radius 1.080 +0.038 −0.037
( 12.11 + 0.43 − 0.41 )
Rjup
Rearth
Planetary surface gravity 8.65 +0.90 −0.85
2.94 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.302 +0.035 −0.032
( 0.401 +0.046 −0.042 )
ρjup
g cm-3
Planetary equilibrium temperature 999 ± 17 K
Reference of detailed study 2018MNRAS.477.2572B  

 

K2-232 does not have an entry in the catalogue of orbital obliquity measurements.

 

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

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)