TEPCat: K2-33


 

This page summarises the information held within TEPCat for the transiting planetary system K2-33. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152...61M  
Date of discovery paper 2016 / 4 / 22 y / m / d
Right ascension 16 10 14.73 h m s
Declination +19 19 09.4 d m s
V-band apparent magnitude 15.48 mag
K-band apparent magnitude 10.03 mag
Transit duration 0.170
( 4.08 )
day
hour
Transit depth 0.23 %
Time of mid-transit   2456898.6929 ± 0.0012     HJD or BJD
Orbital period 5.424865 ± 0.000033 days
Reference for orbital ephemeris   2016AJ....152...61M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3540 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.56 ± 0.09   Msun
Stellar radius 1.05 ± 0.07 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 0.51 +0.04 −0.07
( 0.720 +0.056 −0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass 0.0 +3.7 −0.0
( 0 +1176 −0 )
Mjup
Mearth
Planetary radius 0.446 +0.030 −0.033
( 5.00 +0.34 −0.37 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016AJ....152...61M  

 

K2-33 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-33 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)