TEPCat: K2-32c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-32c. 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 0.1813
( 4.351 )
day
hour
Transit depth 0.12 %
Time of mid-transit   2456899.4234 ± 0.0017     HJD or BJD
Orbital period 20.66093 ± 0.00080 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 0.049 +0.046 −0.035  
Orbital semimajor axis   0.13843 +0.00115 −0.00108  AU
Planetary mass 0.0255 ± 0.0075
( 8.1 ± 2.4 )
Mjup
Mearth
Planetary radius 0.280 +0.011 −0.010
( 3.14 +0.12 −0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.08 +0.36 −0.34
( 1.43 +0.48 −0.45 )
ρjup
g cm-3
Planetary equilibrium temperature 634 +9 −11 K
Reference of detailed study arXiv:2006.01102  

 

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

 

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

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)