TEPCat: K2-233d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-233d. 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
Data/telescope used for discovery K2  
Right ascension 15 21 55.20 h m s
Declination −20 13 54.0 d m s
Right ascension (decimal) 230.48000 degrees
Declination (decimal) -20.23167 degrees
V-band apparent magnitude 10.73 mag
K-band apparent magnitude 8.38 mag
Transit duration 0.1599
( 3.838 )
day
hour
Transit depth 0.12 %
Time of mid-transit   2458005.5801 ± 0.0025     HJD or BJD
Orbital period 24.36450 ± 0.00068 days
Reference for orbital ephemeris   2020A+A...640A..48L  

 

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 0.062 +0.043 −0.042  
Orbital semimajor axis   0.15224 +0.00046 −0.00042  AU
Planetary mass 0.0324 +0.0075 −0.0082
( 10.3 +2.4 −2.6 )
Mjup
Mearth
Planetary radius 0.2108 ± 0.0055
( 2.363 ± 0.062 )
Rjup
Rearth
Planetary surface gravity 18.1 +4.4 −4.5
3.26 +0.09 −0.12
m/s2
log(cgs)
Planetary mean density 3.2 ± 0.8
( 4.2 ± 1.1 )
ρjup
g cm-3
Planetary equilibrium temperature 523 +5 −4 K
Reference of detailed study 2023MNRAS.522.3458B  

 

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

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)