TEPCat: K2-136d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-136d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1709.10328  
Date of discovery paper 2017 / 10 / 2 y / m / d
Right ascension 04 29 38.99 h m s
Declination +22 52 57.8 d m s
V-band apparent magnitude 11.20 mag
K-band apparent magnitude 8.37 mag
Transit duration 0.130
( 3.12 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2457780.8116 ± 0.00065     HJD or BJD
Orbital period 25.5751 ± 0.0024 days
Reference for orbital ephemeris   arXiv:1709.10328  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4499 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.15 ± 0.03 dex
Stellar mass 0.74 ± 0.02   Msun
Stellar radius 0.66 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.66 ± 0.02 c.g.s.
Stellar mean density 2.50 +0.13 −0.12
( 3.53 +0.18 −0.17 )
ρsun
g cm-3
Orbital eccentricity 0.14 +0.13 −0.09  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.129 +0.010 −0.007
( 1.446 +0.112 −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:1709.10328  

 

K2-136d does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-136d has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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