TEPCat: K2-32d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-32d. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...827...78S  
Date of discovery paper 2015 / 12 / 1 y / m / d
Right ascension 16 49 42.26 h m s
Declination −19 32 34.2 d m s
V-band apparent magnitude 12.31 mag
K-band apparent magnitude 9.82 mag
Transit duration 0.2047
( 4.913 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2456903.7871 ± 0.0012     HJD or BJD
Orbital period 31.71701 ± 0.00099 days
Reference for orbital ephemeris   arXiv:2006.01102  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5271 +39 −35 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.06 ± 0.03 dex
Stellar mass 0.83 ± 0.02   Msun
Stellar radius 0.86 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.49 ± 0.03 c.g.s.
Stellar mean density 1.30 +0.13 −0.10
( 1.83 +0.18 −0.14 )
ρsun
g cm-3
Orbital eccentricity 0.050 +0.053 −0.035  
Orbital semimajor axis   0.18422 +0.00152 −0.00144  AU
Planetary mass 0.0211 ± 0.0079
( 6.7 ± 2.5 )
Mjup
Mearth
Planetary radius 0.311 +0.010 −0.012
( 3.49 +0.11 −0.13 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.65 ± 0.26
( 0.86 ± 0.34 )
ρjup
g cm-3
Planetary equilibrium temperature 550 +8 −9 K
Reference of detailed study arXiv:2006.01102  

 

K2-32d does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-32d has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)