TEPCat: K2-135d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-135d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....154..266N  
Date of discovery paper 2017 / 9 / 6 y / m / d
Right ascension 23 27 04.84 h m s
Declination −01 17 10.6 d m s
V-band apparent magnitude 10.51 mag
K-band apparent magnitude 7.19 mag
Transit duration 0.06667
( 1.6001 )
day
hour
Transit depth 0.08 %
Time of mid-transit   2457740.96115 ± 0.00045     HJD or BJD
Orbital period 6.201470 ± 0.000062 days
Reference for orbital ephemeris   arXiv:1812.07302  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4305 ± 49 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.50 ± 0.08 dex
Stellar mass 0.606 +0.020 −0.014   Msun
Stellar radius 0.602 +0.005 −0.004 Rsun
Stellar logarithmic surface gravity 4.72 ± 0.10 c.g.s.
Stellar mean density 3.47 +0.27 −0.73
( 4.90 +0.38 −1.03 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05591 +0.00059 −0.00041  AU
Planetary mass 0.0127 ± 0.0026
( 4.04 ± 0.83 )
Mjup
Mearth
Planetary radius 0.1804 +0.0041 −0.0038
( 2.022 +0.046 −0.043 )
Rjup
Rearth
Planetary surface gravity 5.34 +2.19 −1.75
2.7 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 2.02 +0.44 −0.43
( 2.68 +0.58 −0.57 )
ρjup
g cm-3
Planetary equilibrium temperature 646 +26 −15 K
Reference of detailed study arXiv:1812.07302  

 

K2-135d does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-135d 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)