TEPCat: K2-239c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-239c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.480L...1D  
Date of discovery paper 2018 / 6 / 5 y / m / d
Data/telescope used for discovery K2  
Right ascension 10 42 22.63 h m s
Declination +04 26 28.9 d m s
Right ascension (decimal) 160.59429 degrees
Declination (decimal) 4.44136 degrees
V-band apparent magnitude 13.55 mag
K-band apparent magnitude 9.97 mag
Transit duration 0.052
( 1.25 )
day
hour
Transit depth 0.058 %
Time of mid-transit   2457916.860 ± -1     HJD or BJD
Orbital period 7.775 ± 0.001 days
Reference for orbital ephemeris   2018MNRAS.480L...1D  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3420 ± 18 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.40 ± 0.01   Msun
Stellar radius 0.36 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.9 ± 0.1 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.089 ± 0.009
( 1.00 ± 0.10 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 427 +24 −19 K
Reference of detailed study 2018MNRAS.480L...1D  

 

K2-239c does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-239c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)