TEPCat: K2-233c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-233c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....155..222D  
Date of discovery paper 2018 / 3 / 15 y / m / d
Right ascension 15 21 55.20 h m s
Declination −20 13 54.0 d m s
V-band apparent magnitude 10.73 mag
K-band apparent magnitude 8.38 mag
Transit duration 0.1165
( 2.796 )
day
hour
Transit depth 0.015 %
Time of mid-transit   2457996.3522 ± 0.0057     HJD or BJD
Orbital period 7.06005 ± 0.00026 days
Reference for orbital ephemeris   arXiv:2006.01102  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5033 +41 −35 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.09 ± 0.03 dex
Stellar mass 0.79 ± 0.01   Msun
Stellar radius 0.71 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.64 ± 0.01 c.g.s.
Stellar mean density 2.25 +0.04 −0.03
( 3.175 +0.056 −0.042 )
ρsun
g cm-3
Orbital eccentricity 0.070 +0.045 −0.035  
Orbital semimajor axis   0.06666 +0.00020 −0.00018  AU
Planetary mass 0.016 +0.010 −0.009
( 5.1 +3.2 −2.9 )
Mjup
Mearth
Planetary radius 0.1143 +0.0020 −0.0019
( 1.281 +0.022 −0.021 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 10.0 +6.4 −5.7
( 13.3 + 8.5 − 7.6 )
ρjup
g cm-3
Planetary equilibrium temperature 790 +7 −6 K
Reference of detailed study arXiv:2006.01102  

 

K2-233c does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-233c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)