TEPCat: K2-233b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-233b. 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 0.0820
( 1.968 )
day
hour
Transit depth 0.018 %
Time of mid-transit   2457791.6910 ± 0.0026     HJD or BJD
Orbital period 2.46746 ± 0.00014 days
Reference for orbital ephemeris   2018AJ....155..222D  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4950 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.07 ± 0.06 dex
Stellar mass 0.800 ± 0.032   Msun
Stellar radius 0.745 ± 0.025 Rsun
Stellar logarithmic surface gravity 4.71 ± 0.10 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.53 −0.0  
Orbital semimajor axis   0.03317 +0.00044 −0.00045  AU
Planetary mass Mjup
Mearth
Planetary radius 0.1247 +0.0055 −0.0054
( 1.398 +0.062 −0.061 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1040 +28 −26 K
Reference of detailed study 2018AJ....155..222D  

 

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

 

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

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)