TEPCat: K2-133e


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1905.05206  
Date of discovery paper 2019 / 5 / 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 0.060
( 1.44 )
day
hour
Transit depth 0.10 %
Time of mid-transit   2457837.8657 ± 0.0023     HJD or BJD
Orbital period 26.5841 ± 0.0018 days
Reference for orbital ephemeris   arXiv:1905.05206  

 

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   0.1346 ± 0.0011  AU
Planetary mass Mjup
Mearth
Planetary radius 0.154 ± 0.012
( 1.73 ± 0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 296 ± 10 K
Reference of detailed study arXiv:1905.05206  

 

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

 

K2-133e 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)