TEPCat: K2-133b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-133b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.473L.131W  
Date of discovery paper 2017 / 10 / 14 y / m / d
Right ascension 04 40 35.63 h m s
Declination +25 00 36.1 d m s
V-band apparent magnitude 14.00 mag
K-band apparent magnitude 10.28 mag
Transit duration 0.051
( 1.22 )
day
hour
Transit depth 0.071 %
Time of mid-transit   2457821.3150 ± 0.0016     HJD or BJD
Orbital period 3.07133 ± 0.00011 days
Reference for orbital ephemeris   xxx1905052063  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3655 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.455 ± 0.022   Msun
Stellar radius 0.461 +0.011 −0.01 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.03194 +0.00025 −0.00026  AU
Planetary mass Mjup
Mearth
Planetary radius 0.120 ± 0.007
( 1.345 ± 0.078 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:1905.05206  

 

K2-133b does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-133b 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)