TEPCat: K2-236


 

This page summarises the information held within TEPCat for the transiting planetary system K2-236. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....156....3C  
Date of discovery paper 2018 / 5 / 10 y / m / d
Data/telescope used for discovery K2  
Right ascension 09 06 17.75 h m s
Declination +19 24 08.1 d m s
Right ascension (decimal) 136.57396 degrees
Declination (decimal) 19.40225 degrees
V-band apparent magnitude 10.15 mag
K-band apparent magnitude 8.84 mag
Transit duration 0.163
( 3.91 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2458113.93994 ± 0.00039     HJD or BJD
Orbital period 19.49213 ± 0.00001 days
Reference for orbital ephemeris   2018AJ....156....3C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6025 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.1 ± 0.1 dex
Stellar mass 1.18 +0.03 −0.04   Msun
Stellar radius 1.38 +0.017 −0.018 Rsun
Stellar logarithmic surface gravity 4.25 ± 0.1 c.g.s.
Stellar mean density 0.45 +0.03 −0.02
( 0.635 +0.042 −0.028 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.148 ± 0.004  AU
Planetary mass 0.085 +0.044 −0.040
( 27 +13 −12 )
Mjup
Mearth
Planetary radius 0.55 ± 0.09
( 6.2 ± 1.0 )
Rjup
Rearth
Planetary surface gravity 6.9 +3.6 −3.2
2.8 +0.2 −0.3
m/s2
log(cgs)
Planetary mean density 0.49 +0.26 −0.23
( 0.65 +0.34 −0.31 )
ρjup
g cm-3
Planetary equilibrium temperature 886 ± 17 K
Reference of detailed study 2018AJ....156....3C  

 

K2-236 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-236 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)